Home Engine Systems Performance Tilt & Trim FingerFlex® Blinker Trim Control (Single) T-H Marine FingerFlex® Blinker Trim Control (Single) $108.09 FingerFlex® Blinker Trim Control (Single) quantity Add to cart Product Details Product Details Single. Trim control for hydraulic helms. Operates engine trim and/or jack plates. Fits hydraulic, cable and tilt steering. Easy installation.