RG-WOF25H18R 1" tube High Profile Weaver Offset dual Ring
-1" diameter tube one piece offset Dual Ring -High Profile, 18mm /
0.71" , with big see-thru hole -Weaver/Picatinny Base width 65mm/2.56",
Ring width 20mm/ 0.79" -Top cover with 4 Screws, ring distance
43mm/1.68" - Allen Wrench Included -Lightweight and Extra-Durable 6061
Aircraft Aluminum