hook bookshelf 40-4 single row (black and white) new product recommendation hook bookshelf 40-5 single row (black and white) new product recommendation hook bookshelf 40-6 single row (black and white) new product recommendation hook bookshelf 40-4 double row (black and white) new product recommendation hook bookshelf 40-5 double row (black and white) new product recommendation hook bookshelf 40-6 double row (black and white) new product recommendation single row [2 layers] 1 grid [any combination]] single row [3 layers] 2 grids [any combination]] double row [2 layers] 2 grids [can be used with any combination]] double row [3 layers] 4 grids [can be used with any combination]]

[single row = 12/box] [double row = 8/box] new upgrade [vertical tube 12mm horizontal tube 12mm]]