6pcs Rotary Tool Mini Drill Bit Set Cutting Wood Carving Tools KitYUAUJ EFB WA

Features: 100% brand new. High grade Bits. All of the shanks are 3.17mm and compatible with other multi-tool machines including el. These 6PCS HSS Routing Bits are perfect for all sorts off jobs like Model making and the like. Using an engraving machine or mini-Drill various forms of cutting part provide efficient processing which materials length is about 40mm. For processing of metallic and Non-metallic surfaces. Great for craft home repairs etc you name it. Material: High Speed Steel. Shank Diameter mandrels: 3.17mm/0.12″. Length: 39mm/1.54″. Dimensions (head diameter x head length x shank diameter): The Biggest Column One: 8 x 10 x 3.17mm/0.31″ x 0.39″ x 0.12″. The Bigger Cone One: 6 x 11 x 3.17mm/0.24″ x 0.43″ x 0.12″. The Medium Column One: 3 x 7 x 3.17mm/0.12″ x 0.28″ x 0.12″. The Small Cone : 3 x 7 x 3.17mm/0.12″ x 0.28″ x 0.12″. The Smallest Column One:3 x 2.5 x 3.17mm/0.12″ x 0.10″ x 0.12″. The Ball One: 3 x 3 x 3.17mm/0.12″ x 0.12″ x 0.12″. Packing: 1 set/6 pcs