7892SS-O Adjustable Height Instrument Tables are designed to straddle the OR table, and offer twenty inches of travel to accommodate changes in table position during neuro, cardiac and orthopedic surgery. When used in general surgery, the table can be adjusted to accommodate the varying heights of personnel. This model can be adjusted manually from either side with a detachable crank handle. Tables travel easily on four, 3″ casters, two casters with brakes. Height Adjustment: 36″ (91.44) -56″H (142.24) with crank handle Leg Clearance: 28.625″.