The 53119060 is a 50M x 1.5 Locknut made of glass fibre-reinforced polyamide. The glass fibre-reinforced for maximum mechanical stability supporting surface for spanner means scratches on the housing are avoided. Suitable for locking SKINTOP? cable glands in boreholes without thread. UL approval only when used with the UL-approved SKINTOP? polyamide cable glands designed for use with metric SKINTOP? plastic cable glands.