Red plastic plugs, fix into concrete, brick and masonry by drilling a 5.5mm hole, suitable for use with woodscrews. - Red wall plugs are suitable for No.6 - No.10 (3.5mm - 5.0mm) screws. - Plug Length: 30mm - Use a 5.5mm masonry drill bit
Brown plastic plugs, fix into concrete, brick and masonry by drilling a 7.0mm hole, suitable for use with woodscrews. - Brown plugs are suitable for No.8 - No.12 (4.0mm - 6.0mm) screws - Plug Length: 36mm - Use a 7.0mm masonry drill bit