Optimal geometry design offers comfortable use with less vibration, machine sharpened edge guarantees high efficiency in tile and thinset breaking and removing Made of high quality hardened steel alloy with heat treatment process this scaling chisel is very hard and to support you with all kinds of scaling jobs especially good for fast removal of old tiles, thinset, mortar and other adhesive Standard SDS-Plus shank is compatible with , , , , , and all other electric or cordless SDS+ rotary hammers with chipping or chiseling function. Please switch from rotary mode to chipping or chiseling mode when using it 4" (100mm) wide and 11" (280mm) long, the design of extra wide 4" scaling blade can remove more thinset and adhesives per pass than normal scaling chisels Small size, high thinset removal rate, easy for operation, time, wide compatibility with all SDS-plus system impact drill and rotary hammers. This scaling chisel is widely used by DIYers, home owners and professional contractors, Manufacturer: Jnchdghwa