Primos 65906 Heavy Optics Adapter Gray Magnet Fits Apex Spartan Head

The magnetic attachment system gives instant fitting and has an adjustable lever system for extra security. Lightweight and durable, the adapter comes with a standard 1/4"-20 camera/optic screw, 3/8"-16 bushing and polymer plate. Turns your APEX Spartan Head into a stable optic and camera platform. Designed to attach to cameras and other optics with standard 3/8"-16 or 1/4"-20 threaded female mounting points.