"If you've seen the film clips on less salubrious places on the internet you may have seen examples of sounding. Well everyone started somewhere, so if you are curious to experience the heady sensation that sounding brings, start small, say 4mm and finish big! These body safe stainless steel sounds are non porous, phthalates free and exceptionally durable. The rounded tip and smooth exterior means that they slip in with ease, while the flat handle enables you to maintain optimum grip and control. Available in a variety of different sizes, the UberKinky Dilator Sound is perfect for beginners, but also popular with more experienced sounders. Enjoy a satisfying stretch as well as those unique sensations sounding has to offer. The urethra is full of sensitive nerve endings, all of which are stimulated upon insertion of your Dilator Sound. Likened to masturbating from the inside, your experience will be explosive to say the least! French Gauge Diameter (mm) Diameter (inches) 12 4 0.158 18 6 0.236 24 8 0.315 30 3 0.393"