PRODUCT DETAILS AT A GLANCE! ◪ [Caliper Piston Compressor Tool Specifications] Material: Steel Disc adapter pin distance 25.5mm/1.0inch 16.3mm/0.64inch Dimension: 5.65x4.05x1.76inch Package Size: 8.27x4.58x1.75inch Package Weight: 21.94oz EVERY DETAIL IS WORTH EXPLORING ◪ [Caliper Piston Compressor Tool Features] High stiffness, heat resistance, durability, strong toughness ◪ [Caliper Piston Compressor Tool Functions] Brake pistons for compression cars or trucks Easy car brake pad/disc replacement LIST OF APPLICABLE VEHICLE MODELS FOR THE PRODUCT LIST OF APPLICABLE VEHICLE MODELS FOR THE PRODUCT LIST OF APPLICABLE VEHICLE MODELS FOR THE PRODUCT LIST OF APPLICABLE VEHICLE MODELS FOR THE PRODUCT ◪ Compatible Vehicle Models Compatible with BMW, Audi, Buick, Cadillac, Chevrolet, etc. (Please refer to the pictures for specific car models!) Please double check the size/year/model number before placing your order to make sure our products are what you need, thanks! STANDARD SPECIFICATIONS ARE DESIGNED FOR A WIDE RANGE OF APPLICATIONS! ◪ Fits most disc calipers mounted on right-hand threaded cars. Use a 3/8-inch square head wrench and extensions to drive the key if the required reaction force is small.