The VICTRA-12 Shotgun Suppressor is modular and one of the major pieces to that are our 5/32" Allen sleeve nuts that attach on our V-12 endcap and keep the assembly rods in place.This set of replacement nuts are available for the chance that you either lose your sleeve nuts or want a second set to keep in your shotgun kit.MADE IN U.S.A. Length: .5" Weight: 1 Oz. Material: Steel Finish: Hard Anodized5/32" Allen wrench not included.