INCLUDE: NPT1/46, NPT1/26, NPT3/44, NPT12. 18pcs in total. CABLE RANGE: NPT1/4(0.12-0.25 inches), NPT1/2(0.23-0.47 inches),NPT3/4(0.47-0.71 inches), NPT1(0.71-0.98 inches). Fit for cable size from 0.12 - 0.98inch / 3 - 25mm cable gland,meet for your different project needs. WATERPROOF: The washer is the most important part of the IP68 rating, it is made of extremely durable rubber. Resistant to salt water, weak acid, UV, alcohol, oil, grease, common solvents, etc.Made of high quality nylon PA66 plastic with high tensile strength and toughness, it will not crack in harsh environments for a long time. APPLICATION: The cable gland kit is used for where wires and cables need to be inserted. Fantastic for cable fixing, wire splices, machinery control boxes and electrical appliances etc. EASY TO INSTALL: You just need to thread the cable through the cable gland then tight up the sealing nut and lock nut, the cable will be tightly fixed but no need to disassemble.