Moroso 71510 - Quick Fastener, Self Ejecting, Winged, 5/16 In X .500, Steel, Silver

Butterfly Self Ejecting Fasteners 0.500 in. Medium Body Grip Range 0.198-0.233 in. 10 Per Pack • These fasteners eliminate the need for tools • Same as Self-Ejecting Fasteners above, except with thumbscrew on top • A necessity for quick pit work in both drag racing and oval track • Use Spring No. 71430 as a replacement • Ten per package