The Fischer BP FSA Sleeve Anchor M10/10 (pk4) is a robust and reliable anchoring solution ideal for multiple substrates like concrete, brick, and stone. Made by reputable brand Fischer, these sleeve anchors provide a secure hold for heavy loads in both hollow and solid materials. The anchors are easy to install with standard tools and feature an M10 thread size. They are suitable for numerous applications including the installation of handrails, gates, and machinery among others. This pack of 4 ensures you have enough anchors for small to medium-sized projects.