Manhole Guard Rail* is constructed of strong, one inch tubular .078 gauge steel that is powder-coated in safety yellow for a durable finish and high visibility. Simple one-piece construction offers easy, no-tools assembly. Rail locks open and two hooking chains provide protected entry and exit. For safety, the rail accommodates signs, flags or lights, and for convenience, it can be used with a guard rail tent, umbrellas or winch (PN 9401 only).  Available in either 33″ or 42″ sizes.