.Interference Screw (Titanium) CL Fixation System CL Construct : Continuous loop of suture braid eliminates the need for knot tying and allows for a larger portion of graft to reside in the tunnel. Accommodates various graft lengths : One size titanium button is available with multiple pre-measured loop sizes of 12, 15, 20, 25, 30, 35, 40 mm lengths. Category: Arthroscopy