Noga MG71003 Noga Magnetic Base Magnet Dimensions : W50 x L60 x H55. Magnetic Force : 800N Bottom arm Length : 163.5 mm. Top Arm length : 113 mm. Weight : 1.950 Kg. Fine Adjustment : New fine adjustment on top with universal swivel clamp.Large MG Holder MG71003 New Fine adjustment on Top with universal swivel clamp. Unique central locking mechanism with NOGA designed spring loaded bearing. 5 axis holder. powerful on off magnetic base. Instant fixation in any position. Fast and easy to set up gauges into required position. Black finished Arms. Weight: 1. 95 Kg Bottom thread: Ext. M8 Clamp Holds: 6mm, 8mm,3 8"and dovetail Clamp Order P N: FA1500 Bottom Arm: 163. 5mm Top Arm: 113mm