Slingshot Stainless Steel M8 Foil Track Nuts 

Stainless Steel Foil Board Track "T" Nut M8 Thread

Sold individually 

This is the hardware that slides into the track of Slingshot Foil Boards. They are used to connect Hoverglide and Phantasm foils to Slingshot Foil Boards. Paired with Slingshot Foil Mounting Hardware.