This is the XS Scuba Hose Attachment Clip Features:Two Hose Clip Retains two 11mm to 13mm hoses Fits most low and high pressure rubber hoses Two-way swivel Delrin and stainless steel construction Three Hose Clip Retains three 11mm to 13mm hoses Fits most low and high pressure rubber hoses Two-way swivel Delrin and stainless steel construction Miflex Hose Clip Retains one 6mm to 8mm hose Retains one 11mm to 13mm hose Retains the Miflex or DuoKev high pressure hose Two-way swivel Delrin and stainless steel construction Standard diameter (0.50 to 0.58") low or high pressure hoses"