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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

Regular price$46.00

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Shipping calculated at checkout.

Color

Color

Black

Translucent

Fluorescent Orange

Fluorescent Yellow

Fluorescent Green

Fluorescent Pink

White

Pink

Red

Dark Red

Blood Red

Blue

Flesh

Brown

Green

Yellow

Recommended for open bore options

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

The SSND-THREADED12 is a flexible, beginner-tier sound with a spiral-threaded shaft and two bulbs — a primary bulb partway along the threading, then a secondary bulb before the final retention valley.

Details

Overall length: 8.1" (205 mm)
Insertable depth: 7.28" (185 mm)
Entry tip: 7.2 mm (21.6 Fr), 13mm long taper
Threaded shaft: 14.6 cm (5.75"), starting at 7.5 mm (22.5 Fr)
Primary bulb: 11.5 mm (34.5 Fr)
Mid valley: 9.5 mm (28.5 Fr)
Secondary bulb: 11.7 mm (35.1 Fr)
Retention valley: 9.5 mm (28.5 Fr)
Retention flange: 12.6 mm (38.0 Fr)

How it works

The 7.2mm tapered tip guides in smoothly, then the shaft threads gradually from 7.5mm up to an 11.5mm primary bulb over 14.6cm — a spiral texture that delivers continuous tactile feedback. Past the bulb, the shaft drops into a 9.5mm valley, swells again to an 11.7mm secondary bulb, then settles into a final 9.5mm retention valley right in front of the 12.6mm flange, where the internal sphincter closes around the notch to anchor the piece securely.

Choosing your silicone firmness

Bob recommends #10 (Medium) as the default — it delivers the column strength needed across the 8.1" shaft to prevent bowing 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.

Please note

This falls in our beginner sizing tier.
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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Ready To Ship

These pieces have been made and are ready to ship out.

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.

RTS-Threaded 12 Blue 30 Solid

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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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SSND-THREADED12 | 8" Threaded Silicone Urethral Sound