18MM TUBE + SCREW FOR CONCORD LA SCALA WATCH STAINLESS STEEL
17MM 18MM 19MM 20MM 21MM 22MM 23MM 24MM 26MM. Lenght of Tube: 18mm. This tube and screw are made of the highest quality 316L stainless steel. Screw Head: 2mmTotal. Length with both Screw attached: 20mm.