Key-57 for Composite Manhole Covers

The KEY-57™ is a versatile tool designed for unlocking penta head bolts on EJ® composite manhole covers and serves as a Y-type service box wrench for AWWA No. 1 and No. 2 applications. Crafted from durable cast steel with a zinc-plated finish, this lightweight, 1/2-pound stock item fits penta head bolt sizes 13/16″ and 1″ (measuring 27/32″ and 1-1/32″ point to flat). It also features a general-purpose chisel point for operating tee head valves near meters. For specialized needs, a similar key with a 5/8″ slot through the 1-1/32″ pentagon socket is available by special order. Proudly made in the USA, the KEY-57™ combines functionality and reliability for utility professionals.

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