Model Number: GM-DB061 Brand Name: GOLDMOON Key Specifications/Special Features: 5 pcs Carbide Tipped Tool BitPacking:Wooden BoxCarbide for cutting steel and steel alloys. For 3/8" tool holder.Size: 3/8" x 2-1/2" Include:AR - 6,AL - 6,BR - 6,BL - 6,E - 6Surface treatment are available:Galvanized finish,Nickel Plated,Chrome coated,Black finish,Sandblasted finish.Material can be selected according to customers' requirements.Drill Bits set are availableInch size are available