Application : Secures a Cable Gland in position at the equipment. Materials & Finishes : Locknuts are manufactured as standard in Brass. Stainless Steel Locknuts available, but dimensions may differ slightly. Sizes : 20 mm to 90 mm & 3/4 to 3½" Finish : Surface Passivated Brass Locknuts, Metric Nylon Locknuts, NPT Nylon Locknuts, PG Nylon Locknuts All Kind Of Lock Nuts are available