SSND-RNDMBALL 11-14mm
Recommended for open bore options
SSND-RNDMBALL 11-14mm is an extra-long, heavyweight expansion sound built for deep-canal immersion and high-volume calibration goals. Spanning an impressive 17" in overall length with 16.5" of usable insertable depth, this model features an undulating landscape of 22 distinct spherical nodes and tapered barrels that graduate in diameter from 11mm at the entry tip up to a maximum peak of 14mm. The sequence terminates with a final 12.8mm segment that drops into a deep 9mm retention valley, allowing tissue to contract naturally in front of the flared safety flange for secure, self-retaining positioning during extended wear.
Anatomical Sizing & Mechanics
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Conical Entry Tip: Begins at a substantial 11mm (33 Fr) diameter for a smooth, non-binding introduction.
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22-Node Progression: Swells through an alternating sequence of nodes reaching up to 14mm (42 Fr) peaks across multiple intervals (segments 6, 12, 13, 15, and 16).
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Deep 9mm Retention Valley: Drops sharply behind the 22nd node (12.8mm) to create a tight anatomical lock ahead of the flange.
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Flared Safety Base: Finished with a sturdy safety stop for external depth control during deep insertion.
Anatomical Depth Guide
Boasting a 16.5" (419mm) insertable length (17" overall), SSND-RNDMBALL 11-14mm easily navigates through the entire urethral pathway—traversing the anterior tract, clearing the bulbar bend, and extending past the prostatic sphincter into the deep internal canal.
Segment Diameter Breakdown Table
| Segment # | Largest Diameter (mm) | French Sizing (Fr) |
| Segment 1 | 11.0mm | 33.0 Fr |
| Segment 2 | 11.5mm | 34.5 Fr |
| Segment 3 | 12.5mm | 37.5 Fr |
| Segment 4 | 13.0mm | 39.0 Fr |
| Segment 5 | 13.0mm | 39.0 Fr |
| Segment 6 | 14.0mm | 42.0 Fr |
| Segment 7 | 13.5mm | 40.5 Fr |
| Segment 8 | 13.5mm | 40.5 Fr |
| Segment 9 | 13.5mm | 40.5 Fr |
| Segment 10 | 13.0mm | 39.0 Fr |
| Segment 11 | 13.8mm | 41.5 Fr |
| Segment 12 | 14.0mm | 42.0 Fr |
| Segment 13 | 14.0mm | 42.0 Fr |
| Segment 14 | 13.8mm | 41.5 Fr |
| Segment 15 | 14.0mm | 42.0 Fr |
| Segment 16 | 14.0mm | 42.0 Fr |
| Segment 17 | 13.5mm | 40.5 Fr |
| Segment 18 | 13.8mm | 41.5 Fr |
| Segment 19 | 13.0mm | 39.0 Fr |
| Segment 20 | 13.0mm | 39.0 Fr |
| Segment 21 | 13.5mm | 40.5 Fr |
| Segment 22 | 12.8mm | 38.5 Fr |
| Retention Valley | 9.0mm | 27.0 Fr |
| Safety Base | Flared Base | — |
👑 Bob's Choice Recommendations
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Experience Level: Advanced
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The Prime Durometer Recommendation: #10 (Medium) is the default primary recommendation for this model. The #10 durometer delivers an ideal blend of flexibility along its 17" length while keeping the 14mm nodes defined for a crisp, rolling tactile feel.
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Alternative Durometers: Choose #00-50 (Soft) for an extra-plush, highly compressible material that yields under tight muscle walls to ease the 14mm peak stretch, or select #18 (Firm) for a tactile response.
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.
