LinaLife 2 PACK 1/8" 1/4" Industries Die Grinder Collet Holds 1/8" Arbors/Shanks and Holds 1/4" Arbors/Shanks

2pcs of collet （diameter ：6mm 1/4-inch and 3mm 1/8-inch）Add versatility to die grinders, routers and other tools with collet-style chuck Precision machined collet for using bits with 1/8" arbors and shanks Change from standard 1/4" holding collet to this and securely mount 1/8" bits without the need of a reducer Hardened and treated high-carbon steel collet has 4 jaws that provide better contact and a stronger grip with your bit