1. Excellent material and 3 color identification. Assortment of Copper + PVC + tinned strip connectors. Cable range: AWG 22-16 (red), AWG 16-14 (blue), AWG 12-10 (yellow) 2. Crimp terminal with practical design. Provides a secure connection between two solderless wires for quick electrical repairs. 3. Durable crimp connectors. Each head, ring and fork end is equipped with a thick, tin-plated brass shank that resists corrosion to hold the wire tight when stapled. The cane is made from a single piece of brass which eliminates the problem of opening the cane. The cable will never slip out of the electrical cable connectors 4. Wide application lugs and kits Comply with all electrical standards. Suitable for domestic and automotive applications. Whether you're working on your automotive cable, at home, or on a science project, our electrical insulation crimp connector will make sure everything is secure 5. Contents: Comes with 280 pieces of insulated terminals in 15 most commonly used size types. Rings, fork terminals, female male spades, crimp electrical connectors Box of 280 pieces combination of cold-pressed rubber insulated terminals Red Circle RV1 .25-4 20 Red fork SV1.25-4 20 Blue fork SV2-4 20 Red semi-insulated shovel FDD1.25-110 20 Red semi-insulated shovel FDD1.25-187 20 Red semi-insulated shovel FDD1.25-250 20 Blue semi-insulated shovel FDD2-110 20 < p> Blue semi-insulated shovel FDD2-250 20 Yellow semi-insulated shovel FDD5.5-250 10 Red semi-insulating sheet MDD1.25-110 20 Red semi-insulating sheet MDD1.25-187 20 Red semi-insulating sheet MDD1.25-250 20 Blue semi-insulating sheet MDD2-110 20 Blue semi-insulating sheet MDD2-250 20 Yellow semi-insulating sheet MDD5.5-250 10