Sufficient Quantity: a set of 100 non metallic cable connectors, the quantity is sufficient, can meet your needs in engineering, and they can provide you with an efficient way to connect single or multiple cables How to Use: knock the cable connector into the metal wire or non metal wire, then insert the wire guide, and then push the wire into the connector to the length you need; It can fix the wire in the box well; No screws or nuts required, this makes the installation process very easy and saves a lot of time Solid Quality: these push in wire connectors have been made with a nylon plastic construction which ensures that they are strong and durable; The nylon plastic is able to withstand a lot of pressure and wear and tear, resistant to corrosion, abrasion, oil, water Wide Application: widely applied to help protect wires and cables from metal edges and reduce the risk of wires; These plastic push in connectors can be applied for cable fixing, wiring, junction box connections, switchboards and appliances and more Product Size: The hole size of non metallic push in connector measures about 1/2 inch/1.27cm, suitable for 3/8-1/2 inch / 0.95-1.27cm cables. Please check the size carefully before purchasing. There is slight color difference in the actual shooting, which does not affect the use. Color: black Material: nylon + plastic Package Contents: 100 x push-in cable connectors 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.