Feature●Dimensions: 34mm x 30mm x 35mm.●Holding Strength: 300N●Thread: M6●Works best with with Fisso Strato, Strate u-Line, & Classic Adjustable Gage Holder Arms!●High quality & reliability. Long lasting, & maintainence free service life.Description The Fisso S2 Switch Magnet works best with with Fisso Strato, Strate u-Line, & Classic Adjustable Gage Holder Arms! We carry all the Fisso arms, if you cant find what you need just ask!