Hot Racing Traxxas M41 Aluminum Adjustable Trim Tabs. 

Features:

• Adjusts angle of trim tab assembly for proper hull planing
• CNC machined aluminum construction
• Pre-drilled holes for easy mounting
• Anodized blue for durability, corrosion resistance, and great looks

Specifications:

• Weight: 0.78oz
• Length: 33mm (1.30 inches)
• Width: 30mm (1.18 inches)
• Height: 24.5mm (.96 inches)

NOTE: Uses the stock 4x12mm screws to mount on boat.