1.We are factory 2.Shank:SDS PLUS 3.Material:40CR 4.Application: Concrete, Clinker, Masonry, Stone ... -cutter geometry and two additional break-out teeth, the SDS-Plus Chisel is clearly more effcient-over similar working periods.As opposed ... hammer drill, masonry drill, chisel,router bit, concrete Hole saw and related products. 5.Company Picture6.Certificate SDS Plus Point/Flat/Spade Hammer Concrete ...