QUICK FSNR,S/E,FLUSH HD,3/8 X.550,ALUM.

Self Ejecting Fasteners; 0.550 in. Medium Body; Grip Range 0.250-0.325 in.; 10 Per Pack;

-These spring loaded buttons guarantee a quick release
-The spring holds the button captive so that it cant be dropped underneath the car or into some hard-to-get-at area of the chassis
-A necessity for quick pit work in both drag racing and oval track
-Use Spring No. 71430 as a replacement
-Ten per package