DU-BRO Nylon Wing Bolts – Secure RC Wing Fastening Hardware (4/pkg)

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