DVR90 Guide Scope Rings. Works with both Losmandy D Style and V Series Vixen Style plates.
90mm (3.5") I.D. rings with three point adjustment. Adjustment screws made of 7075 aluminum (85% stronger then 6061), with machined 1/4" Delrin tips.
Wt. 25.5 oz. per set, 2 rings per set, dovetail mounted, no tools needed. I.D. size from 2.48" TO 3.78"
Ht. from top of dovetail plate to center of rings: