Ideal for demolition/concrete jobsite, crushing; chipping; digging and squaring. Grease packed gear box; Shock mounted handle-absorbs vibration; Specifications: Voltage: 110-120 V/50-60 HZ; Input Power: 1200W; Impact Energy: 12 J; Hammer frequency: 3900 RPM; Max. Drill Capacity Dia.: 1-1/2''/38MM ; Overall size of hammer: 18 x10 x3.5 in. ; Net weight: 12 LBS 10 OZ ; Power Cord: 10 ft-long, 16AWG CUL 300V ; Package Included: 1 x P800316A Demolition Jack Hammer; 1 x Side Handle; 1 x Point Chisel (Hex Shank 17mm x 250mm) ; 1 x Flat Chisel (Hex Shank 17mm x 250mm) ; 1 x Key Wrench ; 1 x Pair of Spare Carbon Brushes ; 1 x Bottle of grease ; 1 x Heavy Duty Blow mode Case ; 1 x User's Manual .