The outside hex head will fit your glo-plug / prop nut wrench, inside socket is made to fit standard allen wrenches. Both methods insure a safe, no-slip way to secure or loosen wing bolts.
3" Wing Bolts XL provide a longer reach to secure your wings. The large profile 0.5" diameter head works with a phillips or slotted head screwdriver.
4/pkg.
Made in USA