... Standard splicing assembling, no bolt used,60mm adjustable medium board-hanging type goods rack Introduction standard plug-and-socket ... without any bolts, can match steel or wooden floor board, layer for the unit can be adjusted from 60mm, single bearing ... access and boxed goods. Specifications and models of beams, layer board: 1200mm1500 mm1800 mm2000 mm2500 mmtypeload-bearing(kg)typeload-bearing(kg ...