BLUM 21” Undermount Full Extension Soft Close Drawer Slide, 6 Pairs (563H5330)
BLUM 563H5330B Undermount Full Extension Soft Close Drawer Slide 18". 1/2 TO 5/8 DRAWER THICKNESS. FULL EXTENSION CONCEALED RUNNERS. BOTTOM MOUNT HOLES ON 21". TANDEM SMOOTH RUNNING ACTION. BLUMOTION SOFT CLOSE.