These are Du-Bro's "Permanent Mount" 10-32 Blind Nuts.
FEATURES:
Zinc plated, metal construction. Ideal for mounting engines, landing gear, cowls, hatches, etc. The perfect mounting nut for hard to reach areas.
YOU WILL RECEIVE:
(4) Blind Nuts
SPECIFICATIONS:
Thread Size: 10-32 EtH 6-14-94 kr3/14/03&