Specification: Height: 51mm Width: 13 mm Scope of delivery: 1 pair ( 2 pieces ) drawer runners Side Mount. Attention: the mounting brackets and screws are not included. Technical details: 1.Very solid version -Thick steel plate 2.Material: high gloss galvanised metal 3.Ball bearing drawer runner for a smooth and silent opening and closure 4.A blocking prevents the drawer from falling out of the runners when completely opened. 5.Separable interior slide (removal of the drawer possible after having removed the blocking)