1.drilling hard material,such as stone,granite 2.very good performance. 3.speed very fast,with chip out when working core kit model number DBSET05Comprising:3-pc Core drill: Φ28X300mm, Φ52X150mm, Φ117X150mm4 Accessories: Hex adaptor 90mm,Center drill Φ8X200mm,SDS-Plus adaptor 1150mm,Drift keyPacking:With a plastic casehas many other size set diamond core drill bit box
[China Manufacturers]