The Unikey Universal Manhole Cover Key & Lifting Kit comes complete in a convenient carry case which includes two handles and a range of interchangeable tips, including: 33mm T tips, 22mm T tips, 10mm Hook tips, M10 Screw tips, M12 Screw tips and a Stopcock Key. Unikey handles and tips have a 250kg Safe Working Load certified by Lloyds British Testing (1000Kg straight pull destructive testing). Stopcock tip not tested. Unikey is manufactured from quality Zinc plated carbon steel.