... Concrete, Brick, Masonry, Stone 1.Product Description SDS MAX Shank Point/Flat/Spade/Wing Chisel Material: steel 40Cr Surface:Polishing, sand blast2. ... many kinds of electric hammer drill, masonry drill, chisel,router bit, concrete Hole saw and related products. 3 ... drill, masonry drill, chisel,router bit, concrete Hole saw and related products. 5.Company Picture6.Certificate SDS MAX Shank Point/Flat/ ...