measure 5/8 inch for screw back collar insignia or hat emblems. Fits most Large screw back hat insignia from WWII to present. The textured edge allows for a better grip. The large nut is also easier to work with for those who may have long nails, large fingers or unsteady hands.
USA & International Customers: Please contact me if you would like a specific type of shipping before purchase so the listing can be corrected. Thank youThis listing is for 1 lot of 24 Pieces, see the store for the other sizes and larger lots.