Explore Scientific Right Angle Finder Scope Rings w/out Base. These Explore Scientific Right Angle Finder 50mm Scope Rings hold your finder firmly yet gently with three adjustment points and the large heads are easy for adjustments even if you're wearing gloves. Explore Scientific 50mm Scope Rings for Right Angle Finder are fairly quick and simple to use at the viewing height you prefer. Specifications for Explore Scientific Right Angle Finder 50mm Scope Rings: Weight: 3.9oz; 110.6g Length: 50mm Width: 61mm Height: 110mm Package Contents: Explore Scientific Right Angle Finder Scope Rings Explore Scientific Right Angle finder scope rings (Base not included)