Dual Pickup Rudder Blade for the ProBoat UL-19. Features: CNC machined billet aluminum construction and anodized in black. Rudder Blade Length: 90mm (3.54") Includes: (1) OSE Dual Pickup Rudder Blade pn# ose-83371 : black(2) OSE Aluminum Small Water Outlet pn# ose-80895(2) Aluminum grommets for tubing pn# ose-83411-6.35 black(1) (3ft) OSE Large 1/4" Silicone Tubing pn# ose-tubing-1/4-clearRequires: Drilling new holes and cutting tubing to fit your hull, Installation of rudder.