Screw free, improve the assembly speed. * Made of high quality plastic material. * Diameter 1.9 cm, Thickness 1.7 cm. * Can completely replace the electrical tape. * Fast, efficient and safe. * They are commonly used as an alternative to terminal blocks or the soldering of conductors together. * They are quicker to install and, unlike soldered connections, allow easy subsequent removal for future modifications. * Package includes:30 Pcs of Quick Connector Cable Clamp. * Brand new and high quality product by DIY Crafts.