Number of screws needed per Blum tandem plus slides - is two enough? : r/cabinetry
Blum Tip-On Movento Drawer Slides - Lee Valley Tools
BLUM Tandem Plus BLUMOTION Drawer Slides Complete Pair, with Runners 563H, Locking Devices, Rear Mounting Brackets and Screws (for face Frame or Frameless Application) 21 Inch : Amazon.co.uk: DIY & Tools