Crimp Die for CT-920, CT-2920, CT-930, CT-930CH, CT-2930, CT-2931, CT-940CH and CT-2940 Tools, Die Color Code and Die Index Number for Copper Connectors is Orange P50, Die Color Code and Die Index Number for Aluminum Connectors is Tan P50, Crimping dies and connectors are color-coded for easy matching, Embosses die index number on connector barrels for post crimp inspection, Part number permanently marked on crimping die for easy identification, Provides circumferential crimp results in terminations with premium electrical and mechanical performance.