Use the thumb screw on the bracket to secure the mount to the T-Post. Attach the trail camera to the gimbal and tighten the jam nut. Position the camera. Using the thumb screw on the gimbal, tighten into position. Universal fit for all styles of T-Posts. Ball head gimbal was designed to withstand added weight from pests, with easy adjustment for positioning. 1/4 20 threaded stud attachment to trail camera and trail camera accessories. Made of the highest quality materials.