Unique single direction Fine adjustment at the base. Powerful on/off magnetic base. Holds 3/8” and dovetail. Unique central locking mechanism with Noga-designed spring-loaded bearing. Five axis holder. Instant fixation in any position. Easy to set up into the required position. Black finished Arms. Weight: 1.40 Kg. Clamp Holds 3/8” and Dovetail. Clamp Order P/N: FA1120. Bottom Arm: 110mm. Top Arm: 101mm. Total Length: 232.5mm. Magnet Force: 800 N. Magnet Width: 50mm. Magnet Length: 60mm. Magnet Height: 55mm