Urethra stretchers. Cause of many questions and wishes here in best V4A stainless steel. Conically shaped for gently stretching the urethra. 3 sizes available for you. S - M - L - The total length is about 18 centimeter, useable about 15 centimeter. Size S starts with 4 mm diameter and goes up to 10 mm - size M from 6 - 12 mm and size L starts 8 mm and the maximum diameter is 15 mm. So a perfect one for everyone. V4A stainless steel highgloss polished. Made in Germany. Here for you a full set of three stretchers, one each size S - M - L. For those who likes it more smooth and flexible, available in our best platinum silicone. Your choice. The urethra stretchers are sterilize- and autoclaveable. Delivery in sealed sterile bag. ( 1 cm = 0,4 inch - 1 mm = 0,04 inch )