3 drawer rolling mechanics seat, reinforced seat supports up to 350 lb, 3 drawer tool box with roller bearing slides, 2 folding tool trays with magnetic pads, vinyl padded seat cushion for maximum comfort & support, 2-1/2" polyvinyl chloride full bearing casters for smooth movement, rear tray supports screwdrivers & pliers, seat dimension: 16" x 9", drawer dimension: 13-1/2" x 7-3/4" x 2-1/4".