Backend butterfly valve form fit adaptor for GR24A-R actuator£35.00PriceValve drive stem** Flat , 8xø11x33 mm (WxøxH) ZGF-08* Flat , 14xø18x33 mm (WxøxH) ZGF-14* Flat , 17xø22x33 mm (WxøxH) ZGF-17* Square, 14x14x40 mm (LxWxH) ZGV-14* Square, 16x16x40 mm (LxWxH) ZVG-16* Square, 17x17x20 mm (LxWxH) ZVG-17Quantity*Add to CartBuy NowForm fit adapter square for GR..-R