... " DTH hammer with the similar quality level to Atlas and Sanvik. Factory price and Carbide material. BETOPPER DTH ... etc.In 3" series, parameter about different request, pls refer to below chart: COP34,HD35,IR3.5Bit Dia.NO.AirGaugeFrontWeight(mm ... ×φ12510528×φ136×φ125.5Any enquiry or problems, pls feel free to contact with us! DTH Bit(Cop32,Br3,XL3) similar ...