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SSND-Diamond 8-25 BF silicone urethral sound featuring an 8mm soft rounded tip, 25mm maximum diameter center, 17mm retention valley, 1.3-inch ball flange, and 4-inch insertable length on a grid background.

SSND-Diamond Tip 8-25mm urethral sound with slim diamond-shaped body and ball flange, 5-inch length, 25mm maximum diameter, 17mm retention valley

SSND-Diamond 8-25 BF fluorescent yellow silicone urethral sound featuring an 8mm soft rounded tip, 25mm maximum diameter center, 17mm retention valley, 1.3-inch ball flange, and 4-inch insertable length on a grid background.

SSND-Diamond 8-25 BF fluorescent orange silicone urethral sound featuring an 8mm soft rounded tip, 25mm maximum diameter center, 17mm retention valley, 1.3-inch ball flange, and 4-inch insertable length on a grid background.

SSND-Diamond 8-25 BF silicone urethral sound featuring an 8mm soft rounded tip, 25mm maximum diameter center, 17mm retention valley, 1.3-inch ball flange, and 4-inch insertable length on a grid background.

SSND-Diamond Tip 8-25mm urethral sound with slim diamond-shaped body and ball flange, 5-inch length, 25mm maximum diameter, 17mm retention valley

SSND-Diamond 8-25 BF fluorescent yellow silicone urethral sound featuring an 8mm soft rounded tip, 25mm maximum diameter center, 17mm retention valley, 1.3-inch ball flange, and 4-inch insertable length on a grid background.

SSND-Diamond 8-25 BF fluorescent orange silicone urethral sound featuring an 8mm soft rounded tip, 25mm maximum diameter center, 17mm retention valley, 1.3-inch ball flange, and 4-inch insertable length on a grid background.

SSND-Diamond 8-25 BF

Regular price$34.00

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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

SSND-Diamond 8-25 BF silicone urethral sound featuring an 8mm soft rounded tip, 25mm maximum diameter center, 17mm retention valley, 1.3-inch ball flange, and 4-inch insertable length on a grid background.

SSND-Diamond Tip 8-25mm urethral sound with slim diamond-shaped body and ball flange, 5-inch length, 25mm maximum diameter, 17mm retention valley

SSND-Diamond 8-25 BF fluorescent yellow silicone urethral sound featuring an 8mm soft rounded tip, 25mm maximum diameter center, 17mm retention valley, 1.3-inch ball flange, and 4-inch insertable length on a grid background.

SSND-Diamond 8-25 BF fluorescent orange silicone urethral sound featuring an 8mm soft rounded tip, 25mm maximum diameter center, 17mm retention valley, 1.3-inch ball flange, and 4-inch insertable length on a grid background.

SSND-Diamond 8-25 BF

The SSND-Diamond 8-25 BF pairs the diamond-taper shape with our rounded ball flange base — a slim 8mm entry tip that expands to a large 24.7mm swell, built for high-capacity stretching near the entrance.

Details

Entry tip: 8.0 mm (0.315", 24 Fr)
Maximum mid-shaft swell: 24.7 mm (0.972", 74.1 Fr)
Retention valley: 17.0 mm (0.669", 51 Fr)
Insertable depth: 3.75" (95.25 mm)
Overall length: 4.75" (120.5 mm)
Ball flange base: 1.3" (34.0 mm)

Choosing your silicone firmness

Given the large 24.7mm profile across nearly a 4" insertable shaft, Bob recommends #10 (Medium) — it offers structural support while staying pliable enough for smooth placement.

For extra tissue compliance during extreme stretching, #00-50 (Soft) is also available; for added firmness and precise handling, #18 (Firm) is an option too.

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

At nearly 25mm across, this is an advanced-sizing piece intended for users who are already experienced with high-diameter stretching.
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.

RTS-Dim8-25BF Blue 0020 5/32"

RTS-Dim8-25BF Fl Pink 10 Solid

RTS-Dim8-25BF Black 18 Solid

RTS-Dim8-25BF Trans/white 10 Solid

RTS-Dim8-25BF Green 10 Solid

RTS-Dim8-25BF Red 10 Solid

RTS-Dim8-25BF Blood Red 10 Solid

RTS-Dim8-25BF Blue 10 Solid

RTS-Dim8-25BF Pink 10 Solid

RTS-Dim8-25BF Flesh 10 Solid

RTS-Dim8-25BF Fl Orange 10 1/8"

RTS-Dim8-25BF Black 10 1/8"

RTS-Dim8-25BF Green 10 1/8"

RTS-Dim8-25BF Trans White 0050 Solid

RTS-Dim8-25BF Blood Red 0050 Solid

RTS-Dim8-25BF Yellow 0050 Solid

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SSND-Diamond 8-25 BF silicone urethral sound featuring an 8mm soft rounded tip, 25mm maximum diameter center, 17mm retention valley, 1.3-inch ball flange, and 4-inch insertable length on a grid background.

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SSND-Diamond 8-25 BF

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SSND-Diamond 8-25 BF Silicone Sounding Rod