1. Versatile Application - This disc brake caliper tool kit is designed with two sets of piston plates, ranging from 1-9/16 to 2-3/8 inches (2.5 to 5.1 cm), accommodating new brake pads. It is compatible with a wide range of vehicles, including most cars, trucks, and select commercial vehicles. 2. Essential Tool - This tool securely holds the compression plate in place while you operate the handle to deploy or retract the plate. It works effectively with most two- and four-piston fixed calipers, as well as single and two-piston floating calipers. 3. User-Friendly Design - The Brake Piston Compression Tool features a 360-degree swivel, enabling easy positioning of the compression plate. The centered ratchet screw ensures even force during piston compression, promoting proper alignment and safeguarding your brake components from damage. Ideal for both professional mechanics and DIY repairs. 4. Durable Construction - Crafted from high-quality carbon steel, this tool has passed rigorous quality inspections. The ratcheting caliper spreader includes two steel plates measuring 4-5/8" long x 2-3/8" high, with larger plates secured by internal magnets for effortless attachment and removal. The handle is encased in durable plastic, ensuring a reliable grip. Purchase with confidence in its quality and performance. Use Scenarios: - Perfect for replacing worn brake pads during routine maintenance. - Essential for repairing brake systems on both personal and commercial vehicles. - Useful in professional workshops for servicing various brake caliper types with efficiency.