Attributes . 17, 18, 20, 20H-320, 20P, 22, 24, 24W, 25, 26, 9, A-125, A-150, A-200, A-250, A-80, HW-17, HW-18, HW-20, HW-24, HW-25, HW-26, HW-9, PTA-17, PTA-26, PTA-9, PTW-18, PTW-20, W-180, W-200, W-225, W-250, W-280, W-310, W-350, W-375, W-410 . Names