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Pull Box Ladder RungsConcast can add ladder rungs/steps to many of their pull boxes. These steps are simple to field install. Pre-drill 1 inch diameter holes wherever you need the rungs, and then drive them in with a hammer until it is firmly seated in the pull box wall. These rungs are constructed of a copolymer polypropylene exterior with a 1/2" diameter Grade 60 steel reinforcement bar in the center. Order part number STP-2 for a ladder rung with a stainless steel core. Click here for specs. These are great for applications that require frequent submersion. Both versions meet ASTM-C478. |