1) Waterproof IP68 degree, CE,RoHs ATEX approvals 2) Brass with nickel ... part, large range in clamping cable, ultra-strong stretching resistance, waterproof, dustproof, and highability to resist, salt, acid, alkali, alcohol, grease ... . Whenever welcome to visit us when you are convenient! PG series cable gland Plastic Fixed Cable Gland