It is a metal tip called "support nails" that has a tear on the tip to put the plastic sheet in it, it can also be used for wax sheets.
It works very well for wooden frames that have a groove in the upper slat, since just inserting the sheet into the groove and putting several metal points on the sides of the frame is enough.
It is placed in the holes of the wires or new holes are made at 3.0 millimeters and the support nails are inserted.
The advantage of these support nails is that there is no need to use wire in the frame.
With 4 or 8 nails is enough depending on the type of sheet and type of frame.
Supplied per nail support unit.
Technical characteristics:- Material: Steel wire.
- Caliber: 17 (Ø3.0mm).
- Length: 25mm.
The Nails are to be used in wooden frames with this type of plastic sheets: