Use of vertical bar grid design, convenient storage items for inspectionUse of press type spring switch design, no prominent handle, walking on the edge of the product is not easy to bumpMetal base, bearing effect is good, easy to clean and cleanWith backplane buckle, can fine-tune the productBuilt-in an adjustable laminate, with 3 adjustable gears, when necessary, you can take out the larger itemsWith anti-dumping device, to prevent the product dumping caused by children and the elderly