SSND-Solis silicone urethral sound with straight shaft design and retention valley flange

SSND-Solis 6.5-8.5mm 7"

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Recommended for open bore options

The SSND-Solis 6.5-8.5mm is an entry-level silicone urethral sound engineered for precise, uniform internal dilation and reliable retention. Unlike progressive tapers or aggressive ribbed profiles, the Solis collection features a smooth, straight-shaft architecture designed for clean, even fullness with zero unpredictable diameter steps. Available in refined baseline dimensions ranging from 6.5 mm (19.5 Fr) to 8.5 mm (25.5 Fr), this tool provides dependable control and subtle anchoring. Precision-cast in solid medical-grade platinum-cured silicone, the Solis balances structural alignment with flexible body compliance, making it an ideal choice for both routine wear and beginner dilation schedules.

  • Entry Tip: Smooth, rounded leading tip crafted for seamless insertion and effortless anatomical alignment.

  • Straight Shaft Profile: Continuous, non-tapered shaft delivering consistent internal contact and predictable expansion along its entire length.

  • Uniform Diameters: Available in exact 6.5 mm (19.5 Fr), 7.0 mm (21 Fr), 7.5 mm (22.5 Fr), and 8.5 mm (25.5 Fr) maximum shaft profiles.

  • Retention Valley: Precision-contoured neck valley (4.55 mm – 6.0 mm) designed to anchor comfortably within the urethral canal for extended wear.

  • Safety Flange Base: Flared safety stop (10.6 mm – 13.0 mm) ensuring positive depth control and preventing over-insertion.

Anatomical Depth Guide Engineered with an optimized 6.25-inch (158.75 mm) insertable length and an overall total length of 7 inches (177.8 mm), the Solis delivers broad canal reach while maintaining a compact external footprint. The proportional handle-to-flange alignment allows for confident positioning and easy retrieval during use.

Dimension & Sizing Profile

Shaft Size (Max Dia) Insertable Length Total Length Retention Neck Dia Safety Flange Dia French Sizing (Fr)
6.5 mm 6.25" (158.8 mm) 7.0" (177.8 mm) 4.55 mm 10.6 mm 19.5 Fr
7.0 mm 6.25" (158.8 mm) 7.0" (177.8 mm) 5.40 mm 11.5 mm 21.0 Fr
7.5 mm 6.25" (158.8 mm) 7.0" (177.8 mm) 5.75 mm 12.3 mm 22.5 Fr
8.5 mm 6.25" (158.8 mm) 7.0" (177.8 mm) 6.00 mm 13.0 mm 25.5 Fr

👑 Bob's Choice Recommendations

  • Experience Level: Beginner (Up to 11mm maximum diameter / shaft size)

  • The Prime Durometer Recommendation: We strongly recommend our #18 (Firm) or #10 (Medium) silicone densities as the default primary choice. This firmness provides essential structural integrity, preventing the slim-diameter shaft from bowing or buckling during insertion while transmitting clean tactile 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.

⚠️ 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.

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