... .Heavy duty tool box 2.SPCC(1.0-1.2mm) 3.Caster:4 inches ... or L/C.13. OEM service available.14.G.W/N.W:60/55 With profound experience of 10 years in ... customers. Our core business is metal enclosure, switch box, tool cabinet, tool chest, tool box, tool cart, etc. 80% of our products ...