The Seaview Cable Glands / Cable Clams provide waterproof cable routing made of UV stable Glass Filled (GF) ABS plastic, 316 stainless steel or black anodized aluminum. Each style has options for 17mm to 31mm (0.67” to 1.25”) connectors, making it ideal for almost every installation.This Cable Gland Fit & Finish:Max Cable Connector size = .81" / 20mmMax Cable Diameter = .39" / 10mmFinish = Grey ABS Plastic (Glass Filled/ UV Stable)EASY INSTALLATIONEach cable gland is supplied with a blank rubber tapered seal that has a molded location to drill and cut. Captive nuts make for easy assembly. Cable connectors do not need to be removed during installation. Stainless steel fasteners included.WATERTIGHT INSTALLATIONTapered rubber seal forms watertight installation. Base gasket also provided for clean water tight installation.IMPROVED SHAPE & DESIGNLow profile design for a strong, impact-resistant and clean installation (no sharp edges to hit your foot on). Unlike other brands, our inner rubber seal is flush with the top of the cable gland so that water does not have a place to collect.PERSONALIZED FINISHES AVAILABLEMany other finishes available upon special request (White, Carbon finish, camouflage, wood grain, etc.).