winding stem extenders, male Winder stem tops with positive flange. Swiss made.content: 3 pce per unit Products nameVersionthread ØHead-Øbaseitem No.winding stemstop positive0.90 mm1.20 mmnormal049990winding stemstop positive1.00 mm1.20 mmnormal049991winding stemstop positive1.10 mm1.30 mmnormal049992
