Unior 1670.1/4 Freewheel Removal Tool Description: The Unior 1670.1/4 Freewheel Removal Tool is designed to remove 5-10 speed thread on freewheels from Shimano, Sachs, Sun Race, and many other manufacturers. This tool uses hardened tool steel that will shrug off use and abuse, and features specially designed teeth for a tight engagement with the internal splines on the freewheel. The tool can either be attached to a torque wrench with a 1/2" drive for precision when tightening things down, on a 1/2" drive ratchet or breaker bar for the removal of corroded, seized, or just plain stubborn freewheels, or the tool has wrench flats that will accept an adjustable wrench. Features: Hardened tool steel construction will hold up to years of use and abuse 1/2" ratchet drive for use with breaker bars, ratchet drivers, and torque wrenches as well as wrench flats for adjustable wrenches Designed to fit into internal splines thread on 5-10 speed freewheels from Shimano, Sachs, Sun Race, SRAM, and many others