Irwin IRW10502197 Speedhammer Plus Gouge Chisel 22 x 250mm The Irwin Speedhammer Plus Chisels are for use with SDS Plus machines. They can be used on concrete and masonry and have a grey sandblasted professional finish. Suitable for a wide range of applications: breaking through breaking up concrete light demolition work and chasing of channels for pipes and electrical conduit. 1 x Irwin Speedhammer Plus Gouge Chisel 22mm Length 250mm