Heavy Duty 16 ga. #304 stainless steel with a solid welded construction.Revealed edge is 1 1/2" to give you the strongest table known.Square tube legs allow more welding surface which has proven to outlast any round tube leg.Corners are professionally welded and polished smooth.3" ball bearing casters are standard on all tables.Reinforcing channels welded into larger models for additional strength to meet the highest expectations.No open cavities to collect unwanted substances.All Tables are 34" High