SPM-TO4C 1" Rings, Medium, 9.5-11.5mm Dovetail
1" rings Medium profile Fits 9.5-11.5mm dovetail 4 hex screws/ring secure the scope Vertical scope stop pin (removable)The 2 hex screws on the base let you adjust the rings to fit the different width rails found on airguns. The clamp is made to securely fit a range of dovetail widths.