Weaver Six-Hole Skeleton Rings (X-High, Matte, 1-inch)These aircraft grade aluminum tactical rings feature six points of contact for maximum holding power and feature Weaver slot dimensions that allow them to be used on both Weaver and Picatinny rails and bases. The No strip Torx screws provide maximum lockdown power. The skeleton design reduces weight without losing strength and offers tactical styling. These rings are made with the Weaver's famous rock solid cross lock design.