- Fitment: For all cars and trucks - Product size and scale: This dual brake drum measuring tool features metric and imperial markings with 1/32-inch and 0.88 mm increments. It measures from 6-1/2 to 14-1/4 inches (160 to 360 mm) in diameter - Material and durability: Made of high quality carbon steel and iron, providing strength, durability, and a long service life - Function and benefits: Brake resetting gauge for drum brake shoe measurement on older drum-style rear brakes, parking brake shoes, hand brakes, and disc brake rotors. Using the tool to set up the brake line to measure the drum gap and adjust saves time and helps ensure accurate clearances - Key advantages: Clear, dual-scale measurement; compatible with a wide range of vehicles; robust construction for repeated use; helps speed up brake setup and adjustment tasks - Practical use scenarios: - Scenario 1: Replacing or refurbishing rear drum brakes on a classic or older vehicle; measure drum diameter and drum gap to set correct shoe clearance during setup - Scenario 2: Servicing parking brake or hand brake assemblies on trucks or cars with drum/parking brake systems; verify and adjust clearances for reliable operation - Scenario 3: Brake system refurbishment or restoration work where consistent clearance is needed across multiple vehicles; use the dual scale to compare and confirm fit across drums and rotors where applicable