Available Size: 01-2140: 27 mm 01-2141: 30 mm 01-2142: 33 mm 01-2143: 36 mm 01-2144: 40 mm 01-2145: 42 mm 01-2146: 45 mm 01-2147: 47 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.