Size: 245 mm 06-8391: 4 mm 06-8392: 8 mm 06-8393: 10 mm 06-8394: 13 mm 06-8395: 15 mm 06-8396: 18 mm 06-8397: 20 mm 06-8398: 25 mm 06-8399: 30 mm 06-8400: 38 mm 06-8401: 44 mm 06-8402: 50 mm Life Time Guarantee 100% Quality assured by Complying FDA, CE and ISO Standards from first to last step of Production