Make of 4 parts, lock nut, body, seal, sealing nut, easy to use and install. Special design of clamping claw and seal, give this gland a high waterproof. Preservative nylon PA66 material, dustproof and will not be easy to be destroyed by salt, alkali, alcohol, oil, fat and other general solvents. Product Material: Locknut, main unit, claw and sealing nut made of UL approved nylon PA66 (fire rating is UL94V-2), Seal made of EPDM rubber. PG11 (M18) =cable size 5-10mm PG13.5 (M20) =cable size 7-13mm Operating temperature: Static: -40 ~ +100 , short-time up to +120 ; Dynamic: -20 ~ +80 , short-time up to +100 .