SSND-MRB 11.5-14.5
Recommended for open bore options
SSND-MRB 11.5-14.5 utilizes 12 total expanding ribs separated by variable-length valleys extending across the full length of the shaft. Designed with a distinct mid-shaft expansion and specialized tip geometry, this sound delivers continuous tactile stimulation during insertion. Available in both solid-core and multiple open-core options, the hollow configuration provides fluid drainage during extended wear.
Anatomical Sizing & Mechanics
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Tapered Entry Profile: Begins with a slender, tapering 11.5mm entry rib leading into a 10mm valley to ease initial insertion.
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Graduated Mid-Shaft Peak: Steps up through the second rib to reach a maximum peak diameter of 14.5mm at the third rib segment for targeted internal stimulation.
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Multi-Ribbed Body: Features 12 expanding ribs in total with alternating relief valleys ranging down to 10mm–11.7mm to allow tissue relaxation between ridges.
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Dedicated Retention Valley: Incorporates a 10mm retention groove located directly before to the base to assist with hold-in-place placement.
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Flared Barrel Base: Terminates at a 15mm tapered barrel flange to act as a secure physical stop for placement and retrieval.
Anatomical Depth Guide
With an overall length of 14" (356mm) and an insertable depth of 13.5" (343mm), the SSND-MRB 11.5-14.5 provides deep canal reach, advancing through the prostatic urethra into the upper canal. Operating within the 10"–14.75" depth range, it delivers full-length anatomical reach.
Dimension & Sizing Profile
| Segment / Feature | Outer Diameter (mm) | French Sizing (Fr) |
| 1st Rib (Entry Tip) | 11.5mm | 34.5 Fr |
| 1st Valley | 10.0mm | 30.0 Fr |
| 3rd Rib (Peak Diameter) | 14.5mm | 43.5 Fr |
| Peak Rib Valley | 11.7mm | 35.0 Fr |
| Remaining Ribs / Valleys | Variable (up to 14.5mm) | Variable (up to 43.5 Fr) |
| Retention Valley | 10.0mm | 30.0 Fr |
| Safety Base Flange | 15.0mm | 45.0 Fr |
👑 Bob's Choice Recommendations
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Experience Level: Intermediate
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The Prime Durometer Recommendation: #10 (Medium) It strikes the perfect balance—providing gentle lateral flex through the 10mm–11.7mm valley sections while preserving enough column strength to guide the 13.5" length through the canal without bowing.
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The Alternative Durometer: Consider #00-50 (Soft) for increased compressibility around the 14.5mm peak rib segment to ease placement pressure.
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.
