Check the listing for details. Deluxe Flat Ended Sound Kit, 14 Pieces Surgical Steel Male Urethral Sounding Set. Condition: New. Listed at 94.99 USD. Deluxe Flat Ended Sound Kit, 14 Pieces Medical Grade Surgical Steel Urethral Dilators Sounds Set Deluxe Flat Ended Sound Kit is a great collection of premium urethral sounds made for your pleasure. There are 14 different size sounds in the kit, ranging from 4 milimeters up to 17 milimeters in diameter. With such a variety we guarantee you will never get bored and you will always be able to find the perfect fit! These sounds have a specially designed flat end so it’s much easier to hold on to them and move them in any way you like! The sounds come in an elegant leather case so you can easily keep them all together. It is one of our most popular sound kits because there are so many sizes to choose from. The sounds are made of high-quality 316L Surgical Steel so you know you’re getting a premium product. They are medical-grade, safe and durable, so there’s so much fun to have with them. The sounds are about 7.5 inches long, with a slight curve. They offer about 5.5 inches of insertable length.