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Cole Brennan

Cole Brennan

Cole Brennan is the pen name of the GarageToolHQ editors. He compiles the garage and auto tool guides from the specifications, warranty terms and listing details of each product, with drafts written by AI tools under fixed rules and checked by code.

Diagnostics and Electrical ·

Best Ultrasonic Thickness Gauge (2026)

Five ultrasonic thickness gauges compared by range, resolution, sound velocity, display, storage and warranty, for steel, pipes, tanks and plate.

Engine and Shop Equipment ·

Best Tube Bender 3/4 (2026)

Lever, ratcheting, manual and spring tube benders for 3/4 in tube compared by bend range, dies, max bend and weight.