Heavy Duty use Workbench with Light Fixture - All welded construction. Durable 12 gauge steel top is ideal for mounting vises. 2" square tubular corner construction with floor pads. Top shelf front side lip down, flush, other 3 sides up for retention. Lower half shelf & 4" back support. Clearance between shelves is 22". Work shelf height is 34". Upper tool half shelf 12" deep, 14" high. 4' light fixture and frame.