OSE 3/16" Adjustable Stinger Strut in black anodized color. This works with the ProBoat Sonic Wake using the included Mad Lizard Mounting plate (See picture 3). Picture 5 shows this mounted on a Sonicwake 36 v1.The adjustable Strut makes fine-tuning the performance of any mono a snap. It's quickly adjusted from positive to negative thrust angles. Also unique to this strut is the barrel that holds the prop shaft, which screws in or out to adjust the strut length. This is useful in fine-tuning a mono or deep V.For 3/16" (4.76mm) prop shafts, strut length can be increased from 73 to 83 mm.Requires: Stuffing tube to be cut shorter. And use of the stock mounting screws. SpecsLength: 73mm (2.87")Width: 33mm (1.29")Height: 40mm (1.57")Weight: 45.36 Grams (1.6Oz)Mount SpecsLength: 30mm (1.18")Width: 30mm (1.18")Screws: M3