Keyed drill chucks, keyless drill chuck For impact electric drills up to 1050W Holding Scope: 0.6-6, 1/64-1/4; 3.0-16, 1/8-5/8 Keyless drill chucks.Recommended for impact electric drills up to 1050W.Color and style can be made according to the customer's demands to match different drills. Holding Scope: 0.6-6, 1/64-1/4; 3.0-16, 1/8-5/8. Taper bore: B16,B18,B22 Keyed Chucks With Lock System. Ideal ...