SSND-MD 6-14 advanced black silicone urethral sound shown horizontally on a white background with 1"x1" blue grid squares. Highlighting its 8 graduated segments scaling from 6.85mm to 14mm, 5.75-inch insertable length, and deep retention valley ahead of the safety base.
SSND-MD model, 6-14mm (18-42Fr) diameter range, multi-diameter design, 8 graduated segments, 5.75" insertable, retention valley, safety flange
SSND-MD model, 6-14mm (18-42Fr) diameter range, multi-diameter design, 8 graduated segments, 5.75" insertable, retention valley, safety flange
SSND-MD model, 6-14mm (18-42Fr) diameter range, multi-diameter design, 8 graduated segments, 5.75" insertable, retention valley, safety flange

SSND-MD 6-14

Regular price$45.00
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Shipping calculated at checkout.
Color

One of our first pieces, the SSND-MD 6-14 remains a great beginner stretcher, with eight-segment stepped sound with closely spaced sizes, each segment only steps up a fraction of a millimeter from the last, so progression feels smooth and gradual rather than abrupt.

Details

  • Insertable length: ~5.5" (140 mm)
  • Total length: 6.25" (158.8 mm)
  • Entry tip: 6.85 mm (20.5 Fr)
  • Maximum diameter: 14.00 mm (42.0 Fr)
  • 8 progressive segments, each separated by a shallow trailing valley
  • Final retention valley: 9.0 mm, just ahead of the base flange

Segment table

Segment Largest diameter Trailing valley
1 6.85 mm (20.5 Fr) 6.50 mm
2 8.10 mm (24.3 Fr) 7.60 mm
3 8.95 mm (26.8 Fr) 8.40 mm
4 10.30 mm (30.9 Fr) 9.60 mm
5 11.05 mm (33.1 Fr) 10.50 mm
6 11.85 mm (35.5 Fr) 11.34 mm
7 13.00 mm (39.0 Fr) 12.45 mm
8 14.00 mm (42.0 Fr) 9.0 mm (final retention valley)

Choosing your silicone firmness

Bob recommends #10 (Medium) — it keeps the closely spaced segments a bit more rigid, so the sound goes in easily without bowing and each ridge sends clear tactile feedback as it clears a muscle layer.

For long-term, low-fatigue retention wear, #00-50 (Soft) is also available — it compresses slightly on entry, then exerts continuous, gentle outward pressure.

Color options

#18 and #30 are available in pure translucent silicone.
#00-20, #00-50, and #10 use a translucent white base and can be mixed with our standard colors.

Please note

This is a beginner-friendly piece, well suited to a gradual, predictable path toward larger sizes over time.
Use appropriate lubrication and never force insertion. Stop immediately if you experience pain, bleeding, or significant discomfort. Inspect the sound before each use and do not use it if damaged.

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  • 5 stars: 2 (100%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
W
Wayne

When it first arrived I felt a bit intimidated by it. But my wife felt we should give a go anyway. We have used a 10 and 11 mm before.
Wow, so glad we did. We have used it a few times now, the first time we hit the 12 mil section it was really intense. Each section has been more pleasure as it goes in. Almost getting the last section in now. Very smooth very fulfilling and looks like may need the next size up soon.
Got the softest available to allow gentle stretch.

S
Steve

Fantastic stretching tool, there's something almost addicting about gently working this sound in.
Bought in the softest for training purposes and still cannot fit all of it. (Though I never really have planned on doing so)
Yet something about watching it spread you open and sink in one notch deeper, it just feels fantastic.
Incredibly smooth and silky with lube (The more the better)
For those looking to reach bigger sizes, I cannot recommend this sound enough.