19500Ring CompressorFeatures and Benefits: Lisle spring clutch eliminates ratchet problems. The Lisle spring clutch assures a proper fit on the piston and a positive locking action. Range 2-1/8" to 5" (Height 3-1/2") Skin-packed.A Shipping wt 11 oz.NSN 5120-00-250-6055 Range 2-1/8" to 5". (Height 3-1/2")