Features It is used for concrete polishing and flattening, and is also used for stone board surface, bridge hole bridge wall surface, cement road surface, and any concrete plane hairing. Correctly hardened and tempered so blade will not shatter when struck hard Heat treated material for necessary hardness and durability For masonry and concrete demolition .Not easily deformed, easy to disassemble, not easy to wear. Features: Not easily deformed, easy to disassemble, not easy to wear. Correctly hardened and tempered so blade will not shatter when struck hard Heat treated material for necessary hardness and durability For masonry and concrete demolition It is used for concrete polishing and flattening, and is also used for stone board surface, bridge hole bridge wall surface, cement road surface, and any concrete plane hairing. Specification: Condition: 100% Brand New Item Type: Hammer Chisel Bit Type: #1: Round Head 7 teeth, #2: Square head 16 teeth (optional) Material: Alloy Package List: 1 * Hammer Chisel Bit Package List