What it is
SizeDoctor Pro is a manual traction device made by Size Master. A vacuum cup holds position at the top, two main rods run to a base holder, and extension rods let you set the frame length. A hand pump creates gentle suction in the cup; a pull-release valve lets the air out.
What’s in the box
- 1 × vacuum cup with seal valve
- 2 × main rods
- 1 × base holder
- Extension rods: 4 cm (1.6 in) and 2 cm (0.8 in)
- Silicone sleeves: S, M, L (2 sets)
- 1 × hand pump
- English user manual
How it adjusts
Add or remove extension rods on both sides to set the frame length. Use 4 cm rods for larger steps and 2 cm rods for fine adjustment. Always use the same number of rods on each side.
How to use
- Choose the sleeve size that fits comfortably without pinching.
- Fit the sleeve into the vacuum cup.
- Set the frame length with the extension rods.
- Position the device and attach the hand pump to the valve. Pump gently until the cup holds – do not over-pump.
- To release, pull the seal valve to let the air out.
Please read the included user manual in full before first use and follow its guidance on fitting and wearing time.
Cleaning & care
- Wash the silicone sleeves and vacuum cup with warm water and mild soap after each use.
- Let all parts air-dry fully before storing.
- Do not wash the hand pump under water.
- Store in the original box, away from direct sunlight and heat.
Safety notes
- For adults 18+ only.
- Stop immediately if you feel pain, numbness, or notice skin discoloration.
- Do not sleep while wearing the device.
- Do not use on broken or irritated skin.
- If you have a medical condition, or take blood-thinning medication, talk to a doctor before use.
- This product is not a medical device and is not intended to diagnose, treat, cure or prevent any disease.
Shipping & privacy
Every order ships in plain outer packaging. The product name does not appear on the box or the shipping label.
