FOUR POSTS SHELVING AND RACKS 1 Upper Shelf Consisting of 1Upper Shelf+1Front-Upper Bar 2 Middle Shelf Consisting of 1Shelf+1Front- Rail+2Side Rails+2Brackets 3 Lower Shelf Consisting of 1Shelf+1Front Rail+2Side Rails+1Front 4 Complete Set of Parts,1-sided Consisting of 1Upper Shelf+Lower Shelf +1Lower Shelf+1Middle Shelf *Layer Number+ 2Posts,(1-sided) +1Mesh+4Foot Spacers 5 Add-On Unit,1-sided Consisting of 1Upper Shelf+Lower Shelf +1Lower Shelf+1Middle Shelf *Layer Number+ 1Posts,(1-sided) +1Mesh+2Feet Spacers 6 Complete Set of Parts,2-sided Consisting of(1Upper Shelf+Lower Shelf +1Middle Shelf)*Layer Number*2+2Posts,(2-sided) +1Mesh+6Feet 7 Add-On Unit,2-sided Consisting of(1Upper Shelf+Lower Shelf +1Middle Shelf*Layer Number)*2+1Posts,(2-sided) +1Mesh+3Feet 8 Note:Length for a complete set of parts is 1200mm measuring from the center line of posts. 9 Loading capicity: 120kg/layer