Compatible with:2 AWG, 4 AWG, 6 AWG, 8 AWG, 10 AWG ,12 AWG, 14 AWG gauge wires. Suitable for wire range 2-14 AWG specifications and the size of Slotted Hex 5/32inch. Function: Insulated cable connectors are and more convenient than traditional butterfly nut connectors, can be applied to a range of cables, and can carry higher currents. The cables are fixed with two hex screws and pre-set antioxidant oil. Feature:We adopt the highest grade materials to manufacture our products, which have excellent impact resistance and are made of sturdy and high knot rubber and vinyl coatings, ensuring the safety and long service life of the connectors. There may be slight color difference or difference in the actual product Colour:Black Material:Plastic Type: 2/0-6 Gauge Package Contents: 5x Cable Connector Only the above package content, other products are not included. Note: Light reflection 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.