100Pcs Heat Shrink Butt Crimp Terminals & 120Pcs T-Tap Wire ConnectorsStandard crimping and then sealing heat shrink end connectors. Guaranteed to keep strong CripsDouble wall design, polyolefin tube on the outside and hot melt adhesive on the insideAllows visual inspection, prevents corrosion, and provides a waterproof sealbest results, use a hot air gun (not include) until it reduces the size and flows of adhesive, filling gaps within the terminalHeat shrinkable terminal:colour: Red+Blue+YellowMaterial: Copper tin platingsize:Yellow: 4.0-6.0mmBlue: 1.5-2.5mmRed: 0.5-1.5mmWiring clip:Thicker tinned copper contacts will not bend even when tapping into thicker wires;Quick splice T Tap connectors will securely lock on the wire.Each terminal features a thick tinned copper barrel that resists corrosion to hold the wire tight when crimpedGreat tapping into wires to test.Specifications:Maximum Operating Temperature (Fahrenheit): 221 Degree FahrenheitMaximum Recommended Voltage Rating: 600 VColour:picture colorMaterial:Nylon + CopperRed: AWG 22-18; Wire range: 0. 5-1. 0mm2Blue: AWG 16-14; Wire range: 1. 5-2. 5mm2Yellow: AWG 12-10; Wire range: 4.0-6.0mm2Package Contents:100 * Heat shrinkable terminal60 * T-Tap Wire Connector (Red: 20pcs, Blue: 20pcs, Yellow: 20pcs)Only the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.