The 3M black EPDM motor lead splicing kit is sold 1 per case and is another quality product from 3M. It's designed and manufactured to be compatible with 8 to 4 awg wire sizes. Includes: (3) x Splice. With this particular motor lead splicing kit you can use with the cable insulation diameters that are between 0.3 in and 0.9 in. Works with connectors up to 2 1/2 in.