About this item The Carving bits kits of Tapered Ball Nose, Spiral, Cone End Mill Cutter For CNC,Engraving machine. Carving Wood, plywood, MDF, plastics, acrylic, stainless steel, titanium alloy etc. Long service life, Decreasing the times of changing cutters,Saving production time Includes 3*carbide end mills ( 2 pc v-groove end mill, 1pcs tapered end mill ), 4*Spiral End Mill (3 pc up cut, 1 pc down cut), 1*ball end mill The Carbide End Mill Suit for CNC Router and Makita, Bosch, and Any Brand Plunge Router with 1/4" Collet