Shelf Support, Plug in, for Diameter 5 mm Holes, for Use with M4 Sleeve, For wooden shelves, with M4 threaded bolt, Nickel platedShelf support, plug in, 80 kg load carrying capacity- With M4 thread for installation in spreading dowel shown in Fixing Materials- Load carrying capacity 80 kg*- Steel*Load carrying capacity applies to 4 shelf supports bearing an evenly distrubuted load. Testing was carried out according to DIN EN 1727 "Mechanical safety requirements for shelf supports"pack of 86