Powerful motor. Ergonomically designed handle with rubberized soft grip. Sturdy cylinder-shaped motor housing. Unique Feature: HP1630K With Carrying Case Specifications: Continuous rating Input: 710W Capacity: Concrete : 16mm (5/8") / Steel : 13mm (1/2") / Wood : 30mm (1-3/16") Impacts per minute (ipm): 0-48,000 No load speed (rpm): 0-3,200 Net Weight: 2.1kg (4.6lbs) Lifetime Service Warranty