Dual Pickup Rudder Blade for the ProBoat Veles. Features: CNC machined billet aluminum construction and anodized in black. Rudder Blade Length: 110mm (4.33") Includes: (1) OSE Dual Pickup Rudder Blade pn# ose-83358 (Black)(2) OSE Aluminum Small Water Outlet pn# ose-80895(2) Aluminum grommets for tubing pn# tfl-alu-gro-6.35mm : 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.