Cotterman® WORKMASTER™ series ladders, in steel or aluminum, are the most heavy duty ladders we make. With 1,000 pound load rating (500 for Aluminum), they need heavy duty casters. This set contains two (2) heavy duty 4X2 rigid casters with precision greaseless wheel, eight grade five bolts, washers, and split lock washers to mount to the rear plates of your WMX ladder. For the swivel wheel set, see item SU2180.
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