Model Number: GM-DB114 Brand Name: GOLDMOON Key Specifications/Special Features: 50pcs SDS hammer drill bits setsize:5pcs each size: 6x110mm5pcs each size: 10,12mm x 160mm10pcs each size:6mm,8mm x 160mm5pcs each size: 8mm,10mm,12mm x 210mmSurface 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