The four piece Beiter Multi Tool Bow Vice kit comprises Beiter Multi Tool Bow Vice (please scroll down to brown bow vice with black knob) The two piece Green Adapter kit comprises a 5-16"-24 Green Adapter GV (has a round hollow barrel at one end with a female connection with four positioning grooves around its inside and with a 5-16" male thread at the other end) and a Black Rip Clutch (has a round hollow barrel at one end with a female connection with eight positioning grooves around its outside and a 5-16" female thread at the other end). Connect the black Rip-Clutch and the green Adapter by screwing the black Rip-Clutch onto the green Adapter to allow the Adapter to be clamped onto the Kaindl or Multi Tool. (please scroll down to green Adapter GV and black Rip Clutch) Adapter 42.3mm to 5-16"-24 Black Adapter (has a round hollow barrel at one end with a female connection with four positioning grooves around its inside and with a 5-16" male thread which screws into the stabiliser bushing on any bow at the other end). (please scroll down to black Adapter)