Lowers to 17.5”, raises to 48” - can be locked in any position Sealed hydraulic foot pump requires no maintenance and has a 1 year guarantee. Lifts breeds up to 150 lbs. Fabricated of 7 gauge steel and is double powder coated. 3/4 moisture resistant plywood top is supported by steel crossbars and covered with skid proof heavy duty mat. Adjustable floor levelers. Options: Locking casters, grooming post