SSND-7mm 8" - 18"
Recommended for open bore options
SSND-7mm is a versatile, straight-shaft silicone sound engineered with a consistent 7mm (21 Fr) profile across multiple selectable length options. Designed for users seeking smooth, uniform feedback, this model features a rounded entry tip that navigates comfortably past the meatus into the urethral channel. Offered in insertable lengths of 8", 12", and 18", it scales seamlessly from focused shallow insertion to deep-pathway reach toward the prostatic urethra and bladder neck. Available in both solid-core and open-core configurations, the hollow option allows for natural fluid drainage during extended wear.
Anatomical Sizing & Mechanics
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Smooth Entry Tip: Features a rounded head designed for gentle meatal entry and effortless transit through the spongy urethra.
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Uniform 7mm Shaft: Maintains a constant 7mm (21 Fr) cross-section across its entire insertable length for smooth, continuous feedback.
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Scalable Length Profiles: Available in 8" for manageable internal play, 12" for intermediate reach, and 18" for deep, full-pathway navigation.
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Safety Stop Base: Features a flared safety flange at the base to ensure secure depth control and prevent over-insertion.
Anatomical Depth Guide
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The 8" variant provides targeted reach within the penile urethra, making it ideal for entry-level depth progression.
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The 12" selection advances through the intermediate reach zone past the bulbous curve into the prostatic urethra, requiring careful handling.
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The 18" configuration delivers deep anatomical reach past the internal sphincter and bladder neck, intended exclusively for advanced full-pathway exploration.
Dimension & Sizing Profile
| Segment / Feature | Outer Diameter (mm) | French Sizing (Fr) |
| Rounded Entry Tip | 7.0mm | 21.0 Fr |
| Continuous Straight Shaft | 7.0mm | 21.0 Fr |
| Length Options | 8.0", 12.0", or 18.0" | Insertable Lengths |
| Safety Base Flange | Flared Base | Flared Safety Flange |
👑 Bob's Choice Recommendations
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Experience Level: Beginner (8") / Intermediate (12") / Advanced (18")
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The Prime Durometer Recommendation: #10 (Medium) is the primary recommendation for this model. For a slender 7mm profile, #10 offers the ideal balance of gentle flexibility and column strength across shorter and mid-range lengths.
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The Alternative Durometer: Consider #18 (Firm) for long-length selections (12" or 18") or open-core configurations to ensure excellent structural column integrity during deep insertion.
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.