The Plasplugs Super Grips™ wall plugs are suitable for concrete and brick fixings. They are available in 3 different sizes/colours.

Yellow: Regular-duty, accepts screws No 4-8 (3-4.5mm).
Red: Regular-duty, accepts screws No 6-12 (3.5-5.5mm).
Brown: Heavy-duty, accepts screws No 8-14 (4.5-7mm).

The brown wall plugs are heavy-duty and will accept screws No 8-14 (4.5-7mm).
Drill: 7mm.
Pack quantity: 100.