Screw Anchor Expanders for Caulking Anchors 1/4"-20. Quickly and securely set expansive screw anchors in masonry, regardless of thickness. Hardened alloy steel. Patented.
Screw Anchor Expanders for Caulking Anchors 1/4"-20. Quickly and securely set expansive screw anchors in masonry, regardless of thickness. Hardened alloy steel. Patented.