The AFAM Easy Riv 5 Chain Riveter is an ingenious device that gives you the opportunity to rivet each 5/8 pitch connecting link with a hollow pin head (all AFAM chains features these hollow pins). Being easy to use a dimensionally small, this tool is perfect for any DIY mechanic and belongs in their toolbox.For 5/8 Pitch Connecting Links With Hollow Pins.Distances For Correct Pressure Is Indicated.Suitable For All AFAM Chains.Dimensionally small and lightweight.The AFAM Easy Riv 5 Chain Riveter belongs in any DIY mechanics' toolbox. The exact distance, to obtain the optimum pressure on the x-rings, is indicated on the tool, in which you can easily rivet the hollow pin connecting link once seated properly!