Locknut SKINTOP® GMP-GL-M 40X1.5 RAL 9005 BK, locknut, M 40, wrench size: 50mm, black, polyamide, halogen-free, UV-resistant, Areas of application: Black versions are UV-resistant and therefore well suited for outdoor use, For thin-walled housings without a thread that only allow one through hole, For locking a SKINTOP® / SKINDICHT® cable gland on the inside of the application (e.g. housing), Good oil and chemical resistance, Benefits: The contact surface facilitates easy assembly using an open-end wrench and at the same time protects a housing from scratches, Self-extinguishing in accordance with UL94 V-2 (flammability test for plastics), High stability thanks to glass fiber reinforced polyamide, UL certification in accordance with technical data enables the product to be used in North America (only valid in combination with a UL-approved SKINTOP® cable gland made of plastic)