CHAIN TENSIONSERS are used when installing or adjusting heavy traction chains. They are ‘extra hand’ with plenty of power during the installation. Tool for DEMOUNTING OF PLUG COUPLING no 13 and 16 HOOK PLIERS are used to open and close hooks on chains or sections being repaired. EasyFit Single and EasyFit Dual truck chain mounting tools. For tire dimension 295/80-22.5 and 315/80-22.5.