60mm Placon Roller Mounting Bracket 60 Roller Track Roller Track Roller track for lean pipe rack system Roller track placon gravity carton flow rack conveyor Applied to runner such as sliding shelf, slide way shelf, Carton flow rack & shelves, gravity flow rack, fifo flow storage etc. Widely used in the warehouse storage field, with high strength, self-lubricating, shock resistance, long life span. The detailed information for roller track Material Aluminul alloy/steel Packing 4 pieces packing in film & carton Length 4 m per pieces Wide 60mm Diameter for roller 34mm