DVR160 Guide Scope Rings.
Works with both Losmandy D Style and V series Vixen Style plates.
160mm (6.3") I.D. rings with three point adjustment. Adjustment screws made of 7075 Aluminum (85% stronger then 6061), with machined 1/4" Delrin tips.
Wt. 41.5 oz per set, 2 rings per set, dovetail mounted, no tools needed. I.D. size from 5.3" to 6.3"
Ht. from top of dovetail plate to center of rings: