Dark blue silicone SSND-THREADED12 urethral sound with unique threaded design, showing tapered tip and threaded shaft expanding to 11.5mm ball, 19cm total length.
Translucent white and dark blue silicone SSND-THREADED12 urethral sounds, 19cm length, featuring a 7.5mm threaded shaft, parallel arrangement on a blue grid background.
Assortment of dark blue and translucent white SSND-THREADED12 silicone sounds, 8 inches long, featuring a 7.5mm threaded shaft expanding to an 11.5mm ball on a light background.
Dark blue silicone SSND-THREADED12 urethral sound with unique threaded design, showing tapered tip and threaded shaft expanding to 11.5mm ball, 19cm total length.
Translucent white and dark blue silicone SSND-THREADED12 urethral sounds, 19cm length, featuring a 7.5mm threaded shaft, parallel arrangement on a blue grid background.
Assortment of dark blue and translucent white SSND-THREADED12 silicone sounds, 8 inches long, featuring a 7.5mm threaded shaft expanding to an 11.5mm ball on a light background.

SSND-THREADED12

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Recommended for open bore options

SSND-THREADED12 is an advanced, flexible silicone urethral sound crafted for high-definition tactile play. Classified in the Beginner sizing tier, this profile opens with a tapered 7.2mm rounded tip for smooth placement. The body transitions into a 14.6cm (5.75") threaded dynamic stretch zone starting at 7.5mm (22.5 Fr) before expanding into an 11.5mm (34.5 Fr) primary bulb. It steps down into a 9.5mm relief valley, swells up to a secondary 12mm (36 Fr) retention bulb, and settles into a 9.5mm anatomical retention valley directly in front of the 12.6mm retention flange. This structural notch seats safely behind the internal sphincter, anchoring the piece securely for extended wear. It can be configured in a solid structure or with an optional open-core channel to allow fluid passage.

  • Lead-In Tapered Tip: Tapered 7.2mm rounded tip, 13mm in length, for a smooth entry.

  • Spiral Threaded Shaft: 14.6cm (5.75") threaded section starting at 7.5mm (22.5 Fr) and enlarging to an 11.5mm (34.5 Fr) primary bulb.

  • Dual Bulb & Valley Array: 9.5mm mid-valley followed by a secondary 12mm (36 Fr) peak dilation bulb.

  • Sphincter Retention Valley: 9.5mm (28.5 Fr) structural notch that anchors behind the sphincter for extended retention.

  • Saftey Flange: 12.6mm (38 Fr) safety flange extension that prevents over-insertion and allows simple removal.

The SSND-THREADED12 features a total overall length of 8.0 inches (19 cm) with a 7.5-inch (19 cm) insertable depth measured directly from the rounded tip to the retention flange. This extended length reaches deep into the canal to deliver full anatomical coverage.

Dimension & Sizing Profile

Segment / Feature Outer Diameter (mm) French Size (Fr)
Entry Tip 7.2 mm 21.6 Fr
Threaded Shaft Start 7.5 mm 22.5 Fr
Primary Bulb 11.5 mm 34.5 Fr
Mid Valley 9.5 mm 28.5 Fr
Peak Bulb 12.0 mm 36.0 Fr
Retention Valley 9.5 mm 28.5 Fr
Retention Flange 12.6 mm 38.0 Fr

 

👑 Bob's Choice Recommendations

  • Experience Level: Beginner

  • The Prime Durometer Recommendation: #10 (Medium) silicone density is recommended as the default primary choice. It delivers optimal column strength across the 8-inch shaft to prevent bowing or flexing during insertion while transferring crisp spiral feedback.

Color Options: #18 and #30 are available in pure translucent. #00-20, #00-50, and #10 base colors are translucent white and can be mixed with any standard color.

⚠️ Important Safety Disclaimer: Because individual anatomy varies, we cannot guarantee a full fit for all longer or larger diameter pieces. Please use all products with care. By purchasing, you accept full responsibility for safe use. If you experience discomfort, discontinue use immediately.

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