The most advanced cavity dowel for drywall systems with a load capacity up to 65 kg. Hartmut is a cavity dowel consisting of metal and plastic including a suitable screw ■ Easy and fast application ■ High application reliability ■ High load bearing capacity ■ Reliable durability of load bearing capacity ■ For all cladding thicknesses ■ Variable application due to the attachment clips with click function. Field of Application: On metal stud partitions and wood frame partitions with up to 65 kg per dowel On suspended ceilings with up to 6 kg per dow-el and up to 6 kg per cladding span width and meter.