Insert closed. Then adjust.
Each turn increases width in a controlled, measurable way. As it opens, everything becomes more visible and exposed, making every change easy to see as well as feel. The structure doesn’t move unless you move it, and once set, it holds the stretch in place. No sudden changes, no collapse - just steady expansion you can both control and observe.
Features
4-point screw expansion: even, controlled widening, with a maximum opening diameter of 68 mm (2.67 in).
Rigid metal frame: holds position without flex.
Rounded rod tips: 90 mm (3.5 in) long rods offer a smoother entry, and reduced sharp pressure.
Lock-in adjustment: stays exactly where set.
Structured expansion: gradual, deliberate stretch.
How to Use
- Apply lubricant before insertion.
- Insert in closed position.
- Adjust each screw gradually and evenly.
- Clean thoroughly after use.
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