Available Size: 02-3974: 145 mm, Diameter 2.5 mm 02-3975: 160 mm, Diameter 2.5 mm 02-3976: 200 mm, Diameter 3.0 mm Life Time Guarantee 100% Quality assured by Complying FDA, CE and ISO Standards from first to last step of Production Medical Grade Supper Quality Raw materials are used to Produce This Product.