The NCSTAR 1" Scope Rings provide secure optic mounting with 3/8" dovetail compatibility and high profile clearance for optimal scope positioning.NCSTAR 1" Scope Rings - High Profile3/8" dovetail mount compatibilityDurable aluminum construction2-piece ring set sold as a pairHigh profile design for proper scope clearanceIdeal for mounting 1" diameter scopes on rifles and airguns equipped with 3/8" dovetail rail systems providing reliable optic support for hunting and target shooting applications.