1.We are factory 2.SDS PLUS shank 3.Material:40CR,YG8C 4.Application: Concrete, Clinker, Masonry, Stone body steel 40Cr and tip YG8Cdouble flute flat tip used for hole drilling in hard materials like concrete,brick in construction,struction & installation Size as below: DesSizeSDS Plus drill bit bit6×1108×110 8×210 12×210 12×210 10×160 10×210 10×260 14×260Point Chisel 14 X 250Flat Chisel 14 X ...