SeaKing Stores › 150mm hook-and-loop sanding disc - 320 grit - 6 holes - EACH 150mm hook-and-loop sanding disc - 320 grit - 6 holes - EACH £1.10 150mm diameter hook-and-loop sanding disc, 320 grit, six holes. Sold individually. Supplier reference: VD150320. Add To Cart Added! 150mm diameter hook-and-loop sanding disc, 320 grit, six holes. Sold individually. Supplier reference: VD150320.