ADAPT TO ALMOST ALL YOUR REQUIREMENTS: We offer 4 types 33PCS of cable glands: NPT 1/4???*15pcs, NPT 3/8???*8pcs, NPT 1/2???*8pcs, NPT 3/4???*2pcs in our cable entry gland. Cable gland assorted are made of high quality nylon PA66 plastic, anti-loose structure, reliable connection and long service life MULTI-PURPOSE:Used on all types of electrical, industrial,automotive equipment, indoor and outdoor machinery and so on STRONG WATERPROOF: Please note that we use the REAL PA66 material and time will prove it.IP68 rating allows for underwater use. Resistant to salt water, weak acid, alcohol, oil, grease and common solvents.Made of high-level tensile strength & toughness nylon 66 plastic, which won???t crack after used a long time in harsh environments.Working temperature: -40 ?? C to 100 ?? C EASY TO USE AND INSTALL: Cord grips connector can be inserted directly and easily tightened without disassembly. Cord grip strain relief consists of a lock nut, valve body, seal and sealing nut.Cable gland waterproof adjustable diameter range 3-18mm cable connectors.