SPM Vibration TRX56 - Magnetic Base for 1/4in UNF Thread (Three Rail, 22lbs Pull Strength)
These magnetic bases are three-rail type, with 25mm diameter, and 10kg (22lbs) pull strength. The three-rail type magnetic mounting base is usually utilized on curved or uneven surfaces. The magnetic bases are available with 1/4in UNF or M8 threaded holes.