... Max Driling Diameter:26mm 4.New products Rotary hammer, dual speed rotary hammer,26mm rotary drill hammer Certificate: Certificate of CCC ... thoughtful design of light weight, compact and well balanced design, speed control switch, comfortable auxiliary handle, along with high class after-sale ... :50-60HZMax. Drill Diameter:26mmRated Input Power:800WNo Load Speed:800RPMN.W:5.1kgPCS/CTN:3pcs/carton