Modular Part For Leofoto Strap System Quick Release Couplers are Interchangeable with QD and QDM Parts Couplers Feature Built-In Swivels *** Clasp only. Strap is NOT Included*** Leofoto QDC-22 22mm For Ranger LS tripods whose maximum tube is 22mm Leofoto QDC-25 25mm For Ranger LS tripods whose maximum tube is 25mm Leofoto QDC-28 28mm For Ranger LS tripods whose maximum tube is 28mm Leofoto QDC-32 32mm For Ranger LS tripods whose maximum tube is 32mm Leofoto QDC-36 36mmFor Ranger LS tripods whose maximum tube is 36mm Leofoto QDC-40 40mm For Ranger LS tripods whose maximum tube is 40mm