Joker O-C-L hollow wall hook anchor with metric screw is designed for use in base materials such as plasterboard, chipboard or plywood.The hollow wall anchor is set in the pre-positioned installation using the Joker setting tool. Joker designed the new clever structure for flat contact with base material and impossible to damage by over-installation.
The plug is pulled against the panel building materials using the setting tool. The expanding arms swing open and press onto the blind side of the board. Alternatively, installation is also possible with a screwdriver or cordless screwdriver.