These are the Traxxas DCB M41 Boat Trim Tab Adjusters with Hardware.
Blue-anodized aluminum trim tab adjusters fit over the existing stainless trim tabs. The stainless adjustment screws removes all the guesswork out of adjusting your boat's trim.
(2) 4x12 mm stainless mounting screws
(2) 3x18 stainless adjustment screws
(2)3 mm lock nuts
Accessory Part For
DCB M41 Widebody