High performance Scale chisel 50mm x 280mm. Wide scaling chisel for rotary hammers and Makita Demolition Hammers. Features and Benefits: High Performance. Suitable for 13mm rotary hammers. Compatible Makita Demolition Hammers include HM0810, HM0810T and HM1130. Technical Specification: Diameter (D) - 50 mm. Overall Length - 280 mm. Shank - 17mm A/F.