CARBON STEEL MULTI MANHOLE KEY KIT - With free (18", 460mm) long stopcock key Stored in a handy roll up case, the keys are manufactured to a high standard and Zinc plated for corrosion resistance. All parts have been destruction tested and certified by Lloyds British Testing. Key Kit includes; 2 x 440mm Interchangeable Handles 2 x 22mm T-ends 2 x 33mm T-ends 2 x 10mm Side Entry Hooks 2 x M10mm Threaded Screw Tips 2 x M12m Threaded Screw Tips 2 x M16mm Threaded Screw Adaptors 1 x Short Stopcock Tip .