Shining coating finish, aluminum drawer extrusion puller, quick release design in ball bearing slide can be easily removed or replacement, internal locking key system, caster and body reinforcement for stonger design. Specification of JST-4809-A: Overall: 41.0x18.7x21.3in 1042x476x540mm Package: 45.5x23.0x27.8in 1155x585x705mm 5Drawers: 21.8x17.4x2.9in 553x441x74mm 2Drawers: 12.8x7.4x2.9in 325x441x74mm 1Drawer: 12.8x17.4x9.1in 325x441x230mm N.W.: 59kg G.W.: 63kg 20' Container: 60PCS 40' Container: 120PCS Specification of JST-4809-B: Overall: 41.8x19.0x41.5in 1062x482x1054mm Overall with casters: 41.8x19.0x46.9in 1062x482x1190mm Package: 46.3x23.4x49.8in 1175x595x1265mm 1 Drawer: 36.8x17.1x7.2in 935x435x184mm 3Drawers: 21.8x17.1x3.5in 553x435x90mm 1 Drawer: 21.8x17.1x7.2in 553x435x184mm 1 Drawer: 21.8x17.1x9.3in 553x435x235mm 3Drawers: 12.8x17.1x3.5in 325x435x90mm 1 Drawer: 12.8x17.1x7.2in 325x435x184mm 1 Drawer: 12.8x17.1x9.3in 325x435x235mm N.W.: 106kg G.W.: 110.5kg 20' Container: 40PCS 40' Container: 80PCS