Key Features bit made with high steel coated with titanium nitrate for longer life.Reliable HSS with constant spiral hardness: Use For: Steel, , Wood, etcUse With: (Not included)What?s in the box1 Set of 13 Pieces SpecificationsSKU: GE779IP0CTOONNAFAMZModel: N/AProduction Country: ChinaSize (L x W x H cm): 20.00 x 17.57 x 5.00Weight (kg): 0.351Color: RandomMain Material: N/A