Butt Splice Connector, Connection Type Crimp, Insulation Material Nylon, Insulation Color Yellow, Maximum Temperature 221 Degrees F, Maximum Voltage 600 V, Minimum Wire Size 4 AWG, Maximum Wire Size 4 AWG, Standards MIL-T-7928, UL E9809, Termination Style Crimp, Contact Material Copper, Overall Length 1.85 in, Seam Style Overlapped, Barrel Inside Diameter 0.51 in, Body Finish Tin Plated, Body Material Copper, Compatible Installation Tool Model Number TBM6, TBM6S. This item has been restricted from sale in the following state (s): []