20mm, 14/10mm, 7/10mm, 7/5mm Screenings Used for drainage, bedding for pipes and or a decorative material for paths or driveways. How Can We Help? 20mm B grade Crushed rock of different colour for decorative look for pathways and driveways How Can We Help? Fine/Stone Dust Used for backfilling of pipes, base under concrete, sub-base under horse arena How Can We Help?