This is an Adjustable .21 (3.5cc) Out-Board Motor Mount. This Mounts to the Outside of the Rear of Boat and the Engine Mounts to This. Fits Out-Board Engines like K&B and OS Max. FEATURES: Fully Adjustable, Raising and Lowering the Motor 3/8". Angling and Trimming the Engine is Simple with Easy To Reach Adjustments. Made of Aluminum and Glass-Filled Nylon with Stainless Steel Mounting Hardware. INCLUDES: Two Aluminum Angle Mount Brackets One Glass-Filled Nylon Pivot Bracket Six Cap Head Screws Six Nylon Nuts Twelve Washers REQUIRES: One 7/64" Allen Wrench. ir/jl