Vortex Switchview SV-1

SV-1 SWITCHVIEW THROW LEVER
Maximize the efficiency of magnification transitions with fluid precision using Vortex's SV-1 Switchview Throw Lever. The Switchview attaches and detaches easily to the magnification ring. Constructed of skeletonized, lightweight hard-anodized aluminum, the SV-1 is one tough accessory that will serve you well.
Compatible with select riflescope magnification rings with a diameter of 1.669 inches / 42 mm:
Viper PST riflescopes with rubber magnification rings
Viper HS riflescopes with rubber magnification rings
Diamondback HP riflescopes