Heavy duty, zinc-plated carbon steel lifting key with robust closed handle. Lifts heavy roadside storm drains, gullies and manhole covers. Nominal size of key end lug (L x W x Dia): 45 x 33 x 16mm. Heavy duty, zinc-plated carbon steel lifting key with robust closed handle. Lifts heavy roadside storm drains, gullies and manhole covers. Nominal size of key end lug (L x W x Dia): 45 x 33 x 16mm.