Description Load capacity 226 lbs/ft Skate wheels with steel ball bearings 5″ axle centers 28″ – 44″ adjustable conveyor heights Heavy duty steel square tubing zinc plated legs Heavy duty 5″x 1″ casters with 2 total lock brake casters on each end Self-tracking design allows packages to follow the path of the conveyor without using guards Couplers easily connect two or more conveyors Heavy duty retractable package stop