Adjustable lock grip tubing plier, ideal for fitting pipes to pneumatic push-fit style connectors to air pipes found on HGV and LGV's. Designed to allow plastic air pipe to be gripped evenly and without damage to allow the pipes to be pushed into pipe fitting without kinking the pipe.Sizes: 6, 8, 10, 12, 16mm. Useful when working with Voss style connectors.