Features: Fastest Way To Insert Your Pistons With This Handy Piston Ring Compressor Tool Set, Allows You To Compress Bands In Small Increments. Can Suit Different Types. Multiple Engine Use ,For Use On Trucks, Tractor, Automobile, Diesel, Racing Engines. Be Used Parallel Or Perpendicular To The Cylinder Block Specifications: Name: Piston Ring Compressor Tool Material: Carbon Steel & Iron Suitable Piston Ring D-Ia. : 62—145mm / 2.4—5.7’’ No. Piston Ring: 14 Piston Ring Height: 32 mm / 1.3’’ Plier Shank Material: 65Mn Steel Package Included: 1 x Plier 14 x Piston Ring 1 x Plastic Carrying Box Note: Manual Measurement, Please Allow Slight Errors On Size. The Color Might Exist Slightly Difference Due To Different Displays.