The Sentribox WST X-7 is a wheel mounted work station that is very hard wearing & black powder coated. Sentribox WST X-7 Workstation Ballbearing slides on the drawers Moulded plastic corner protectors Non slip mats in all drawers Moulded top tool tray 2 fixed & 2 swivel/braked wheels Full width handle Supplied with 2 keys Intergral folding shelf Powder coated in hardwearing black