Features Excellent material: Our chisel set is made of a high quality 40CR alloy. This special material has extremely strong properties, high strength, can prevent cracks and resists wear, oxidation and corrosion. Use it to withstand high-intensity work and ensure stability Special Facial:The surface of the chisel is specially forged, the surface becomes rough, increasing toughness and hardness and reducing wear to a greater extent, and can be sharpened and re-forged and reused Strengthen the chisel handle:Strengthen the adaptability to the electric hammer and extend the life of the chisel. The well-designed SDS-plus is perfectly matched to the SDS plus rotary hammer Kinds of Chisels:This kit contains 5 different shapes of chisels to meet your different needs, include a pointed chisel, a scoring chisel, 3 flat chisels Widely used:The chisel set is used for rotary hammers with SDS-plus. It's a great tool for breaking or drilling a wall, concrete, stone, and other materials, or laying conduit in masonry Specification: Material:40CR Shank: SDS - Plus Size: Ceramic tile chisel: Approx. 75 x 280mm / 3 x 11in Wide chisel: Approx. 40 x 255 mm / 1.6 x 10in Flat chisel: Approx. 20 x 225mm / 0.8 x 8.9in Point chisel: Approx. 220mm / 8.7in Trough chisel: Approx. 20 x 250 mm / 0.8 x 9.8in Weight: Approx.1555g/54.9oz Package list: 5 x SDS-Plus chisel Package List