Edsal ABL30 Adjustable Height Industrial Grade Bench Leg, 4000 lbs Capacity, 2" Width x 33" Height x 30" Depth, Gray (Pack of 2) Easily adjust height for standing or seated job requirements Use with steel compressed wood plastic laminate solid maple or other work surfaces Double electrical knock-outs front and rear 2-3/4-inches wide feet can be bolted to floor 4000-pounds capacity per pair