TJM Alloy Hitch (Standard Length). The TJM Alloy Hitch is available in 2 lengths, is precision CNC machined from T6 6061 aluminium, finished in a smooth a grey anodised finish. The TJM Alloy Hitch with it’s large rounded corners is designed to take soft shackles as well as steel bow shackles, weighing 2.5 times lighter than steel hitch of the equivalent size & comes supplied with a handy storage bag.