Black & Decker 3/8" & 1/2" Chuck Key 9/32" Pilot Part No. U1533 If You have the right tools You can complete any job! We have 8 warehouses in the U.S. so you will get your order Fast! Warehouse Locations:  Cape Girardeau,MOMedina,OHLexington,SCMontgomery,NYDixon,ILWaco,TSWoodburn,ORMesquite,NV.