This larger Anchor is suitable for walls that have plaster on top of brickwork.
The Mushroom Nail In Anchors is used for lightweight anchoring into solid masonry and hollow wall applications. The mushroom nail in anchor is simple to use and ideal for a variety of applications. Please see the table below for grip range and drill size.
Length is measured from under the head
Drilling and Fixing Information for Nail In Anchor - Mushroom