IJO1238 Features: * Lisle spring clutch eliminates ratchet problems * Assures a proper fit on the piston and a positive locking action * Range 3-1/2" to 7". (Height 3-1/2") * Skin-packed. Shipping wt. 14 oz * 3-1/2 to 7"""" Piston Ring Compressor Warranty: * Lifetime warranty does not cover abuse