Material: Copper + PVC + Tinplate; Package Includes:1x 300Pcs Insulated Terminal RingRedRV1.25-4S, #8, 22~16AWG x 25Pcs;RV1.25-5S, #10, 22~16AWG x 25Pcs;RV1.25-6, 1/4, 22~16AWG x 25Pcs;RV1.25-8, 5/16, 22~16AWG x 25Pcs;BlueRV2-4S, #8, 16~14AWG x 25Pcs;RV2-5S, #10, 16~14AWG x 25Pcs;RV2-6, 1/4, 16~14AWG x 25Pcs;RV2-8, 5/16, 16~14AWG x 25Pcs;YellowRV5.5-4S, #8, 12~10AWG x 25Pcs;RV5.5-5, #10, 12~10AWG x 25Pcs;RV5.5-6, 1/4, 12~10AWG x 25Pcs;RV5.5-8, 5/16, 12~10AWG x 25Pcs;