Description HEAVY-duty hydraulic lift pump Sleek Design Manually adjustable back rest and leg rest Removable arm rests and pillow Facial hole for face down positioning Rotates 360 Degrees Specifications: Upholstered in PVC vinyl Hydraulic pump has a 1.58″ shaft diameter with a 7.7″ stroke Height adjustment from 23.5 to 30 Back rest adjustment from 0 flat to 65 Degrees upward incline Leg rest adjustment from 0 flat to 45 Degrees downward decline Rotates in horizontal direction and locks in location with foot lever Capacity 400 lbs. Product Dimensions: Default position: 72 x 24x 23(L x W x H) Arm rest width: 4 Cushion thickness: 4 Hydraulic base: 36 x 23 (L x W) Default position: Bed completely flat, lowest height, w/o arms All heights measured from ground to top of seat cushion