*The thread is not a metric thread, nor an inch thread. It is only suitable for the matching nut.
* Suitable for holes larger than 7 mm in diameter
- Firmly adhere to smooth and clean surface like wall, window, ceramic, marble, refrigerator , cabinet, mirror，glass ...).
- Please keep the surface even, dry and dust-free, and twist the sucker to keep it get fixed on the surface
- Easy for installation.
"Pull sucker" and "pressure sucker" ,this item belongs to pull sucker