scalers b1 br series built-in chisel retainer lever push-pull pistol grip ... models chisel type b1-c-ptb1-c-ltbr-c-ltbr-c-bv bore stroke mm in mm model ... in mm weight lbs kg push-pull start b1-c-ptbr-c-ptchiselchiselchiselchisel ... chiselchisel 1.0 1.0 1.0 1.0 1.0 1.0 25 25 25 25 25 ... 2.0 2.0 2.0 2.0 2.9 2.9 lever start b1-c-ltbr-c-lt pistol handle b1-c-bvbr-c-bv ... length and weight does not includechisel standard equipment operating ... instructionsservice manual spoon chisel 829310 optional equipment additional ... operating power tools per ansi b186.1 cutting tool maximum speed rating must equal or ... of air tool 90psi 620 kpa follow cutting tool manufacturer s mounting operating ...