Aluminum 4 inch Service Entrance Compression Splice for Wire Range - Black End: 3/0 ASCR, 3/0 STR, 4/0 CPT, 3/0 CPR. Gray End: 2/0 ASCR, 2/0 STR, 3/0 CPT, 2/0 CPR. Installing Dies: TX 249 840 (EEI 11A). Compound and Capped. includes 5-7/16 inch Sleeve