SSND-SMTPR-5-10
Recommended for open bore options
Start your stretching journey smoothly with the SSND-SMTPR-5-10. Specially designed for beginners and those looking to graduate to larger diameters over time, this premium platinum-cured silicone piece functions as a long, continuous wedge. By distributing the expansion taper across a full 8 inches of insertable depth, this sound spreads pressure evenly to provide an incredibly low-fatigue, comfortable stretching experience before dropping into a localized retention valley for premium security.
Anatomical Taper & Retention Mechanics:
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The Effortless Entry: Starts with a slick, rounded 5mm (15 French) tip that enters smoothly with a generous amount of lubrication, creating an approachable starting point at the Meatus.
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The Graduated Shaft Stretch: Over its long, smooth body, the shaft gradually and steadily climbs from 5mm up to its maximum 10mm (30 French) diameter across the full 8-inch insertion length, safely dilating the canal walls.
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The Retention Lock Groove: Proximal to the flared safety base, the 10mm peak slopes back down into a narrowed, approximate 7mm (21 French) retaining valley. This relief zone allows internal muscle walls to collapse naturally into the groove, locking the piece securely in place.
Anatomical Depth Guide: With an overall length of 8.5 inches and an insertable depth of 8 inches (203mm), this piece provides deep, full-length coverage. It navigates through the anterior (penile) urethra and the bulbar curve, passing through the external sphincter (membranous urethra) to reach the deeper prostatic thresholds of the posterior canal right before the entrance to the bladder.
Anatomical Design & Shared Dimensions:
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Overall Length: Measures 8.5 inches from end to end.
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Insertable Length: Provides a full 8 inches of usable insertable depth to the base.
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Targeted Geometry: Transitions seamlessly from a 5mm point to a 10mm maximum peak, dropping to a 7mm internal lock valley.
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Flared Base & Retention Valley: Completed with a flared safety base measuring approximately 12.5mm (37.5 French) to serve as a reliable external stop (not intended for insertion), just after the 7mm retention valley.
👑 Bob's Choice Recommendations
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Experience Level: Beginner. Calibrated between 5mm and 10mm, this piece is the ultimate training tool for entry-level users to build comfort and endurance safely.
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The Prime Durometer Recommendation: For beginners, Bob highly recommends our extra-soft #18 (firm) or #10 (Medium) material choice. A fantastic middle ground if you want something that is still somewhat compressible but offers quicker structural feedback.
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The Firm Performance Alternative: If you want a firm, highly rigid column that holds its exact 5-10mm profile perfectly against tight walls, select our #30 (very firm) material option.
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.