products > Rings + Ring Holders > round rings × round ring, black Specifications s: 4 - 5 mm d: 25 - 50 mm Product Variants Art.Nr. / PU s d 09.1125.05 100 4 25 round ring black 09.1130.05 100 4 30 round ring black 09.1350.05 100 5 50 round ring black