Support for wooden shelves made of plastic with a turned steel bolt. The external plastic support measures 10.4 mm wide and 16.2 mm high. For installation requires drilling of 8.5 mm deep with a thread corresponding to the diameter of the bolt. It is available with a 3 mm and 5 mm diameter bolt. For the 3 mm diameter version on the bolt, the plastic is transparent and the packaging contains 1000 units. For the 5 mm diameter version on the bolt, there is a transparent or white finish available and the packaging can be made in 1000 or 100 units.