Stanchion for male bases. Ø 30X2mm. Size: A= 750mm, B= 740mm, C= 440mm, F1 Ø= 11,7mm, F2 Ø= 11,7mm. Recommended base plate OS4117330. Made of mirror-polished AISI316 stainless steel. For mounting into the base with a screw that lets the stanchion rotate on the base for alignment with the stringer.