DescriptionThis item is a set of 125pcs heat shrinkable terminals which include 50pcs red, 50pcs blue and 25pcs yellow butt connectors. The crimping terminals provide wire side protection, and dual-walled insulation designprovides sealed waterproof protection for the wires.Features- Color: Red, blue and yellow. - Material: Polyolefin and copper. - Size(Red): Approx. 3.8 * 0.47 * 0.47cm/ 1.5 * 0.2 * 0.2 inch (LWH). - Size(Blue): Approx. 3.6 * 0.48 * 0.48cm/ 1.4 * 0.2 * 0.2 inch (LWH). - Size(Yellow): Approx. 4.2 * 0.57 * 0.57cm/ 1.7 * 0.2 * 0.2 inch (LWH). - Shrinkage ratio: 3:1. - Wire range(Red): 0.5-1.5mm. - Wire range(Blue): 1.5-2.5mm. - Wire range(Yellow): 4.0-6.0mm. - Excellent stretch and mechanical damage resistance. - Wire connectors are enclosed in plastic case for easy access. - Excellent splice for marine, automotive, outdoor, or harsh environment use. - Resistant to water, steam, salt and other contaminants. - Easy installation, good insulating effect.