Wiper Arm, Deluxe Black Stainless Steel Pantographic - 12"-17" AdjustableDeluxe arms are used on Standard and Heavy-Duty motors.Features:. Stainless Steel. The arm has "articulating/bend-back" feature. Motor shaft mounting has additional set screw clamping. For use with 2.5, 1.5, and MRV Motors. Dry pantographic wiper style