[Easy Installation] Our cable grommets have a simple design and simple installation process, allowing anyone to install them quickly and easily. 52-piece waterproof set available in 5 different sizes (1/4inch, 3/8inch, 1/2inch, 3/4v and 1inch) [Material] Polyamide (nylon), acid-resistant, -resistant, alcohol-resistant, heat-resistant, flame-retardant, etc.; [Wide range of cables] From 0.12 - 0.63 inches/3 - 16mm cable gland varieties. The Perfect kit for your project needs [Safe and Reliable] These cable glands provide a safe and reliable connection for your wiring, and the IP68 waterproof rating protects your projects from dust, water, and other contaminants. Choose our waterproof junction boxes to get the best results for your project [Wide Application] Whether your home, office or industrial project requires waterproof cable threading, our junction box adapter kits can meet your needs, providing a versatile solution for all your wiring needs. Colour:Black Material:nylon Package Contents: 52 x 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.