Chrome plated shelf and posts resist rust, scratches and dents. Includes one reinforced chrome plated wire shelf that provides maximum strength, visibility and ventilation. Mobile Benches include 5" polyurethane casters (2 locking). 39H. Maple Butcher Block is kiln dried, electronically glued, then cured and sanded smooth. Finished with a penetrating mineral oil protectant. Used for multi-purpose use. Plastic top is easy-to-clean. Made of high pressure plastic laminate with wood-core. Provides a smooth, tough working surface for all applications. Shop top protects against static build up and won't warp or split. Faced on two sides with 3/8" high grade, high density particleboard sealed with a catalyzed finish to resist liquids. Easy assembly.