Carbide Burrs Tin Set With 1/4''Shank Double Cut Solid Power Tools Tungsten TiN Coated, 15 Times Longer Lasting Time Shape?included SA-3?SA-1?SC-3?SC-1?SD-2?SE-3?SF-3?SF-1?SL-3?SL-1 Multi Purpose: Widely used for metalwork, tool making, engineering, model engineering, wood carving, jewellery making, welding, chamferring, casting, deburring, grinding, cylinder head porting and sculpting Good Quality:Good processing quality, high finish. Can be processed into a variety of high-precision shape mold cavity Long Life: Made of heat-treated Solid tungsten carbide YG8 that lasts 8 times working life Durability than HSS tool?Suitable for machining various kinds of metal material including ?HRC65 hardened steel Packaging?10pcs Packed in a Rose plastic tube for safety storage and protection