NOS GRUB SCREWS X 4 FOR WWII 7 X 50 US MILITARY BINOCULAR EYEGUARD RETAINER RING 4 Grub Screws for WWII 7 X 50 US Military Binocular Eyeguard Retainer Rings NOS. These are authentic original (4) Grub Screws for WWII 7 X 50 US Military Binocular Eyeguard Retainer Rings. These fit perfectly since they were made for B&L binoculars in the 1940s, these are NOT reproductions. Retaining rings are not included, just for demonstration of the 4 screws that you will receive. The screws fit SARD, B&L 7 x 50 Military binoculars.We also sell the original WWII Bakelite Eyeguards that are used with these retainer rings on the WWII 7 X 50 US Military, B&L, SARD binoculars and retainer rings with a link . <here>.