Concealed drawer slide with mounting under the drawer bottom for all-wood drawers with handleless opening function. The drawer is equipped with a synchronisation mechanism for smooth operation of the individual slide segments. The total load capacity including the weight of the drawer is 35 kg, at this load the drawer has a guaranteed lifetime of 60 thousand cycles. The length of the extension is the same as the length of the drawer (it is a full extension). The opening force of the drawer can be controlled by a sliding lever. The slides are connected to the drawer with brackets that allow the drawer front to be adjusted both vertically (up and down) and horizontally (left and right). Thickness of side panels of drawer can be up to 19mm.