Weighs 31 1/2 lbs. (for 16"" and 18"" models) and less than 34 lbs. (for 20"" and 22"" models) excluding foot riggings. Quick release axles allow tool-free removal of the wheels (16"", 18""). Swing-back arms with patent-pending push-button arm release. Height adjustable seat back (16""-18""). Cast aluminum seat cradles for durability.This durable chair features a carbon steel frame with chip-resistant chrome plating and threaded seat screw inserts reduce stripping from upholstery changes. Sealed bearings in fork housing, rear wheels and front wheels keep dirt out and are maintenance free. Elevating legrest models features a notched, maintenance-free stainless steel ratchet bar. Padded and upholstered armrests and calf pads provide style and comfort.COLOR: BlackLimited lifetime warranty on frame and crossframe. One year warranty on upholstery, wheel lock assemblies, wheels, tires, castors, handgrips, legrests, arms, armpads, handrims, quick release, axles, and any other ""wearable"" parts.Medline Excel K4 High Strength, Lightweight WheelchairExcel K4 Lightweight Wheelchair - 20"" Swing-Back Desk Length Arms, Swing-Away Detachable Footrests K0007 Reimbursement Code" Case Pack 1