3M™ Scotchcast™ 3-Cond Inline Splice 5752 (2131), 1 Kits/Case. 3M™ Scotchcast™ Cold Shrink Inline Splice Kits 5750 Series with 3M™ Scotchcast™ Flame-Retardant Compound 2131 is designed for non shielded, armored or non armored solid dielectric cables. This kit is suitable for use with cable trays, junction boxes, weather exposed, aerial and wet or dry locations. This kit is used with 10000 and 20000 Series aluminium or copper inline compression connectors.