This is a plastic moulded poke gun, as PG2 above, but with a ½" BS807 taper electrode type PW-1M/PG, complete with 2 x 1.5m cables, jack plugs and earth clamp, like PG1 above. The illustration here shows the PG3 fitted with a PW-0185 Roller Wheel Assembly with 50mm diameter rollspot wheel.