... ,000 times of closing tested; mounted and dismounted, adjusted easily. 3. Drawer - OLO ™ metal runner mechanism(metal box, two-fold or ... three-fold,tandem drawer with softclosing) metal sided with 16mm solid bottoms, a weight ... 45Kg, self close. or Hettich ™ metal box, or BLUM ™ tandem drawer metal runner mechanism:4. Lift System - High durability lift systems ...