Ouch! Introduces a new line of toys for urethral explorers! If urethral sounding is your kink, then let these smooth probes deliver the ultimate pleasure! The urethra is lined with super-sensitive nerve endings, which can be extremely pleasurable when stimulated. additionally, deep urethral play is the only way to directly massage the prostate. ouch! Has a variety of urethral sounding probes for beginners as well as advanced users! This set of 3 nails" have smooth pointed tips for easy insertion. the flat rounded head allows for safe and easy extraction. made from super-smooth medical grade, phthalate-free silicone these nails have a total length of 15.5cm (6.1"), an insertable length of 15cm (5.9") and 3 three different diameters measuring 0.9cm (0.35"), 1,3cm(0.5") and 1.65cm (0.64"). always use with a generous helping of sterile water-based lubricant and insert slowly and incrementally for maximum pleasure.rugged nail plug setmade of siliconedifferent sizeswaterproof