Keep Dirt & Crud Out Of Unused Screw Holes
Steel, hex-head screws fill the empty sight and scope mounting
holes on your rifle or pistol to give a clean, finished look. 6-48 x
1/8" or 8-40 x .130" screws feature a hex-head opening to match
other screws on your firearm. Sold in paks of a dozen.
Big Book Catalog, Issue:66, Page:399
New Product Supplement, Issue:573, Page:002
SPECS: Steel, blued. 6-48 x 1/8" or 8-40 x .130".