ISC Scope Specific Adapter Leupold Mark8 24mm Black Small. Either the SSAR or the rubber boot can be used at anytime on all ISC models. Specifications for ISC Scope Specific Adapter Leupold Mark8 24mm: Manufacturer: ISC Objective Lens Diameter: 24 mm Size: Small Color: Black Fit: Leupold Mark 8 Features of ISC Scope Specific Adapter Leupold Mark8 24mm Can be interchanged with Small Ring Package for these scopes Fits Leupold Mk8 24mm Package Contents: ISC Scope Specific Adapter Leupold Mark8 24mm ISC 100-0012-006: Scope Specific Adapter Leupold Mark8 24mm Black Small