This mobile workstation features 4 swivel casters (2 inch x 6 inch) and 2 ridged casters (2 inch x 6 inch) so you can take this workstation to where the work is located. The upper section has a maple top and 6 adjustable 14 gauge shelves. It also features a large lower compartment for those big tools or parts.//There is a pegboard back in between the shelves. Also included in this workstation is a 4,000 lumens LED light to help light up the work area. The LED light has a 50,000 hour life, is Energy Star rated, CSA listed, and can be turned on and off with a pull chain//These 12 gauge, all-welded construction workbenches are built to last a lifetime.