3pcs/5pcs Large/Small HSS Steel Step Cone Drill Titanium Bit Set Hole Cutter New
New HSS Steel Large Step Cone Drill Titanium Bit Set Hole Cutter. Made from high quality HSS steel. 3pcs or 5pcs Hss Step Drill. 5pcs Set includes 1 x Aluminum Case （Only 5pcs Set）. With the Titanium coated to reduce friction and heat.