„U” plates
Harpuns Washer "U" was developed in cooperation with professional editors, which is a guarantee of the product's functionality.
Washer "U" is made from high quality plastic to maintain high durability. Thanks to a special stabilization system pads the screw can be mounted:

Washer "U" is made from high quality plastic to maintain high durability. Thanks to a special stabilization system pads the screw can be mounted:
- windows
- door
- panels
- strips
- ceilings and facades.