Du-Bro Wing Bolts, Nylon 1/4-20 x 2" (DUB142)

• 4 per package
• 7/16" size allen wrench socket

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, non-slip way to secure or loosen wing bolts.