Sentra Heavy Duty is an adult manual wheelchair designed for use by individuals with lower extremity disabilities, mobility disabilities, or spinal cord injury. FRAME: Carbon steel frame with triple-coated chrome finish and reinforced side frame, dual cross bars, and reinforced steel gussetts at all weight-bearing points. A dual axle allows the seat to be lowered to hemi height. SEAT: 20-, 22-, or 24-inch width. Carry pocket in backrest. UPHOLSTERY: Heavy-gauge black naugahyde upholstery. ARMRESTS: Padded armrests with choice of removeable or removeable/adjustable-height full- or desk-length arms. CASTERS: 8-inch front casters with reinforced caster journals. WHEELS: Composite mag wheels with precision-sealed wheel bearings and dual axle. FOOTRESTS: Aluminum footplates, with optional swing-away footplate extensions and swing-away elevating legrest with calf pads. WARRANTY: Limited lifetime warranty.