The 3M QS-III black rubber splice kit is sold 1 per case and is another quality product from 3M. It's designed and manufactured to be compatible with 350 kcmil wire sizes. Includes: (2) x 2228 Mastic Tape, (2) x P55/R Red Compound, (6) x 2230 Mastic Strip, Cable Preparation Template, CC-3 - Cable Cleaning Pad, Cold Shrink Adapter Tube, Cold Shrink Jacket Tube, Cold Shrink Splice Body, Instruction Booklet, Neutral Pad. With this particular splice kit you can use with the cable insulation diameters that are between 1.07 in and 1.7 in. Works with connectors up to 5.75 in. Among all the other aspects of this product it offers the following resistant properties: fungus-resistant. This splice kit meets the following standards: AEIC CS5, AEIC CS6, ANSI C119.4, ANSI/IEEE 404, ANSI/IEEE C 37.09, ASTM D 149, ASTM D 150, ASTM D 2240, ASTM D 412, ASTM D 518, ASTM G 21, ICEA P 32-382.