For the fastest possible assembly in plasterboard the sharp self tapping thread of the gkm allows a secure form fitting fastening this results in a high load carrying capacity the gkm can be used with various screws hooks and eyelets this opens up a wide range of applications for pictures lighting electrical installations furnishing accessories features the dowel is made of metal and has a molded drill tip the total length of the dowel is 31mm and is for screws with a diameter of 4