Switchview USA™ throw lever model 1740SV.
Other scopes with similar dimensions.
Fits scope magnification rings with an outside diameter of 1.811″ plus/minus .02″ with no indexing bump.
Specs: Lever length: .880”.
Ring diameter 1.740″ round – NOTE, fits only on round scope rings with index bump/knob measurements no larger than:
Bump Height: 0.245″
Bump Width at Top: 0.250″
Bump Width at Base: 0.300″
The lever needs .125″ of clearance between the scope body and the nearest object for proper operation.
Color: Anodized Flat Black.