Swiss Mag Base W/Fine Adjuster

Swiss Made Magnetic Bases With Fine Adjustment. Locking strength equal to hydraulic Types Without fluids to leak out. Multi-nimble joint locks tight in any Position. All articulating joints lock simultaneously With the turn of one Knob. Robust construction for Long life. Fits Dovetail and 3/8" Stem indicators. Permanent Magnetic Base With On/off Lever. Two Models: Standard and new Giant Size. Dimensions: Total Reach: 15 1/2", Main Post Dia.: 1/2", 2nd Post Dia.: .400", Main Post Length: 6 1/2", 2nd Post Length: 4 1/2", Base Dimensions: 2 1/8" H x 2" W x 2 3/8" D.