Bennett TPA1812 18" x 12" Trim Plane AssemblyBennett trim planes are made of high quality 304 stainless steel and remain strong and rigid, even in the most challenging situations. Each trim plane assembly includes a trim plane, backing plate and hinge for one side of the boat.Trim Tab Plane Features: Standard Trim Assembly; 18" Wide by 12" Deep; 304 Stainless Steel; Bennett Part#: TPA1812; Yamaha Part#: 6BT500696200;