IJO1096 Features: * The Lisle spring clutch assures a proper fit on the piston and a positive locking action * Range: 7" to 10" * 7"" to 10"" Piston Ring Compressor Dimensions: * Height: 7"When installing pistons back into the cylinder bore, nothing works better than the right piston ring compressor. Eliminates risk of breaking piston rings and piston ring lands. Lisle"s spring clutch eliminates any ratchet problems. Warranty: * Lifetime warranty does not cover abuse