Best Tube Bender Spring (2026): 5 Spring Sets Compared

A copper line for a brake job or a refrigeration run needs a clean bend, and a kinked tube is scrap. A spring slipped over the tube holds the wall round while the bend forms, so the line keeps its shape and its flow. This guide compares the best tube bender spring picks by size range, length, material and bend angle, so the spring that fits the tube is easy to spot.

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Picks for the garage

#	Product	Shop Score	Buy
1	Eoppen 7Pcs Spring Tubing Benders Kit 1/4, 5/16	9.7/10	Buy on Amazon
2	7Pcs Spring Tube Bender Set for Copper	9.7/10	Buy on Amazon
3	PHITUODA 5 Pack Spring Tube Bender Set 1/4''	9.6/10	Buy on Amazon
4	6-in-1 Copper Pipe Bender Set	9.6/10	Buy on Amazon
5	YiiSeeJo 5 Pcs Spring Tube Benders Set	9.5/10	Buy on Amazon

1

Eoppen 7Pcs Spring Tubing Benders Kit 1/4, 5/16

Eoppen·9.7/10 Shop Score

i

The Shop Score runs from 9.2 to 9.8 and weighs performance (35%), build (25%), value (25%), safety (10%, where it applies) and warranty (5%), using only what the manufacturer and the listing publish. How we pick ›

A 7-piece spring steel kit in sizes from 1/4 to 7/8 in, with a galvanized surface, for bending copper, brass, aluminum and thin steel tube to 180 degrees.

Check price on Amazon

Pros

• 7 sizes from 1/4 to 7/8 in cover the widest range here
• Bends to 180 degrees without curling or collapsing the tube
• Spring steel with a galvanized surface and high hardness
• Fits copper, brass, aluminum and thin steel tubing

Cons

• No warranty term stated
• Small sizes are 8.27 in long, so less leverage than the 43 in THOBEYA spring
• No stated indoor or outdoor use
• No stated tip for using another spring inside the tube

2

7Pcs Spring Tube Bender Set for Copper

SMZTools·9.7/10 Shop Score

i

The Shop Score runs from 9.2 to 9.8 and weighs performance (35%), build (25%), value (25%), safety (10%, where it applies) and warranty (5%), using only what the manufacturer and the listing publish. How we pick ›

A 7-piece spring steel kit in sizes from 1/4 to 7/8 in, with a galvanized surface, that bends copper, brass, aluminum and thin steel tube to 180 degrees without kinking.

Check price on Amazon

Pros

• 7 sizes from 1/4 to 7/8 in
• Bends to 180 degrees without curling, collapsing or kinking
• Spring steel with a galvanized surface and high hardness
• Holds the original shape and internal diameter of the tube

Cons

• No warranty term stated
• Small sizes are 8.27 in long, so less leverage than the 43 in THOBEYA spring
• No stated indoor or outdoor use
• No stated tip for using another spring inside the tube

3

PHITUODA 5 Pack Spring Tube Bender Set 1/4''

PHITUODA·9.6/10 Shop Score

i

The Shop Score runs from 9.2 to 9.8 and weighs performance (35%), build (25%), value (25%), safety (10%, where it applies) and warranty (5%), using only what the manufacturer and the listing publish. How we pick ›

A 5-pack of spring steel benders in sizes from 1/4 to 3/4 in, 13.78 in long, oil-hardened and tempered with a galvanized surface, with a 90-day money-back refund.

Check price on Amazon

Pros

• 5 sizes from 1/4 to 3/4 in at 13.78 in long
• Oil-hardened and tempered spring steel, returns to original shape after use
• Galvanized surface, not easy to rust, for indoor and outdoor use
• 90-day money-back refund

Cons

• 5 sizes, fewer than the 7-size sets here
• 13.78 in length on every size, with no shorter spring for small tubes
• No stated use for brass tubing
• Refund runs through Amazon Customer Service, not the maker

4

6-in-1 Copper Pipe Bender Set

THOBEYA·9.6/10 Shop Score

i

The Shop Score runs from 9.2 to 9.8 and weighs performance (35%), build (25%), value (25%), safety (10%, where it applies) and warranty (5%), using only what the manufacturer and the listing publish. How we pick ›

A 6-size spring bender set, 43 in long, in sizes from 1/4 to 3/4 in, made of high-carbon spring steel with a rust-resistant coating for HVAC and plumbing.

Check price on Amazon

Pros

• 43 in long for leverage and control in tight spaces
• 6 sizes from 1/4 to 3/4 in one kit
• High-carbon spring steel with a rust-resistant coating
• Bends to 90 or 180 degrees without kinks

Cons

• No warranty term stated
• No 7/8 in size, unlike the 7-size sets here
• No stated use for brass tubing
• One 43 in length for all 6 sizes, with no shorter spring stated

5

YiiSeeJo 5 Pcs Spring Tube Benders Set

YiiSeeJo·9.5/10 Shop Score

i

The Shop Score runs from 9.2 to 9.8 and weighs performance (35%), build (25%), value (25%), safety (10%, where it applies) and warranty (5%), using only what the manufacturer and the listing publish. How we pick ›

A 5-piece spring steel kit, 8.27 in long, with a galvanized surface and a trumpet shaped end, for bending copper, aluminum and thin wall steel tubing to 180 degrees.

Check price on Amazon

Pros

• Oil quenched and tempered spring steel, returns to original shape after use
• Galvanized surface, not easy to rust, for indoor and outdoor use
• Trumpet shaped end makes sliding the tube easier
• Bends to 180 degrees without crimping or folding

Cons

• Title lists 5/16 in as a size while the packaging note lists 3/4 in
• 8.27 in long on every size, with no longer spring for large tubes
• No warranty term stated
• No stated use for brass tubing

Compared on paper

Specs such as CFM, PSI and torque are the manufacturer’s ratings as listed, collected 6 November 2026. Where a listing contradicts itself, both figures are shown.

How the points were given

Each spring set is scored on performance, build, value, safety and warranty, and How we pick explains the weights. No listing states a UL, ETL or CSA listing, so no pick earns safety points. Only the PHITUODA listing states a 90-day money-back refund, so it is the only pick with warranty points.

Shop Scores range from a low of 9.2 to a high of 9.8, with each tool positioned by its weighted points proportionally, and more points always yields a higher score. Only powered tools, or tools with stated safety features, get safety points. Everything else is rated out of 90.

What the listings tell you

The 5 listings in this guide are spring bender sets for thin-walled tubing. 2 sets cover 7 sizes from 1/4 to 7/8 in, 1 set covers 6 sizes, and 2 sets cover 5 sizes. 4 listings state a bend of up to 180 degrees, and 1 states 90 or 180 degrees. Only 1 listing states a refund window, and none states a safety listing.

Buying guide: the best tube bender spring for the job

Size range

Match the spring to the tube outside diameter. The Eoppen and SMZTools sets cover 7 sizes from 1/4 to 7/8 in, the THOBEYA set covers 6 sizes from 1/4 to 3/4 in, and the PHITUODA set covers 5 sizes from 1/4 to 3/4 in. The YiiSeeJo set lists 5 sizes, but its title and packaging note disagree on the 5th size: 5/16 in in the title, 3/4 in in the packaging note.

Spring length

Length sets how much tube the spring supports and how much leverage it gives. The small Eoppen and SMZTools springs are 8.27 in long and the large ones are 13.7 in long. The PHITUODA springs are 13.78 in long on every size, the YiiSeeJo springs are 8.27 in long, and the THOBEYA spring is 43 in long for leverage and control in tight spaces.

Material and finish

Every set here is spring steel with a rust-resistant finish. The Eoppen and SMZTools sets state a galvanized surface with high hardness. The PHITUODA set is oil-hardened and tempered spring steel, the YiiSeeJo set is oil quenched and tempered spring steel, and the THOBEYA set is high-carbon spring steel with a rust-resistant coating. The PHITUODA and YiiSeeJo listings state the springs are not easy to rust and suit indoor and outdoor use.

Over or inside the tube

A spring bender slips over the tube, supports the wall, and comes off after the bend. The PHITUODA and YiiSeeJo listings suggest using one bender over the tube and another bender inside the tube for a better result. The Eoppen, SMZTools and THOBEYA listings state the same slip-over use without the two-spring tip.

Bend angle

Every set here bends thin-walled tube without kinking, curling or collapsing it. 4 listings state bends of up to 180 degrees, and the THOBEYA listing states bends to 90 or 180 degrees. Pick the spring that matches the tube size first, then check the angle the job needs.

Garage Fit Check

• Measure the tube outside diameter first: springs here cover 1/4 to 7/8 in.
• Match the spring length to the job: 8.27 in springs for the small sizes, 13.7 in springs for the large sizes, and a 43 in spring from THOBEYA for leverage in tight spaces.
• Keep the springs dry and indoors where possible: the galvanized surface resists rust, and 2 listings state indoor and outdoor use.
• Check the size list before ordering: the YiiSeeJo title lists 5/16 in while its packaging note lists 3/4 in as the 5th size.

FAQ: garage tools

How do you use a tube bender spring?

Put the tube into the spring, bend it to the angle the job needs, then take the spring off, as the Eoppen listing states. The THOBEYA listing states the same 3 steps: insert, bend, remove.

What size tube bender spring do I need?

Match the spring to the tube outside diameter. Sets here cover 1/4 to 7/8 in, with 7 sizes in the Eoppen and SMZTools sets, 6 sizes in the THOBEYA set, and 5 sizes in the PHITUODA and YiiSeeJo sets.

Can a tube bender spring bend to 180 degrees?

Yes, on 4 of the 5 sets here: the Eoppen, PHITUODA, YiiSeeJo and SMZTools listings state bends of up to 180 degrees without kinking, curling or collapsing the tube. The THOBEYA listing states bends to 90 or 180 degrees.

What materials can you bend with a tube bender spring?

Copper, aluminum and thin steel tubing on every set here, plus brass on the Eoppen and SMZTools sets. The listings state thin-walled tube only, so check the wall before bending.

Do you put the spring over or inside the tube?

Over the tube, as a rule: the spring slips over the tube and supports the wall during the bend. The PHITUODA and YiiSeeJo listings suggest using one bender over the tube and another bender inside the tube for a better result.

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