EZ-Kine Thumb screw & plate
the 3-FER
3 for the price of 1
Eliminates the hassle of using a screw driver in surfing, move a fin back or forward-out in the line up without tools. 
The EZ nut and screw -Thumb screw has rubber O-ring to eliminate loosening 
- Goodbye screwdriver and FCS key! Replacing your old screws with this-- means never having to use a screwdriver or FCS key and never again being frustrated that you forgot your screwdriver or FCS key in you car, at home or lost in the sand. Made from High grade Stainless Steel