Heavy duty steel construction with a load capacity of 160kgs (35kgs for sliding drawers & 125kgs for bottom area). Ball bearing sliders for smooth opening/closing of the drawers with 5" x 1.25" rubber castors for added durability & keyed cylinder lock. 2mm drawer liners drawer & a 10mm top mat with black bumpers on the four corners to avoid damage when moving. Part of the Hilka garage solutions with additional matching components also available separately.