... , aluminum light weight chair frame, 8" rear solid castors, 5" front castors, flip-up armrest, drop back handle, lockable attendant ... , aluminum light weight chair frame, 6" rear solid castors, 5" front castors, flip-up armrest, drop back handle, lockable attendant ... aluminum light weight chair frame, 6" rear solid castors, 4" front castors, flip-up armrest, with seat belt.Product process:Exhibition ...