Screw Anchor Expanders for Caulking Anchors 3/8"-16. Quickly and securely set expansive screw anchors in masonry, regardless of thickness. Hardened alloy steel. Patented.
Screw Anchor Expanders for Caulking Anchors 3/8"-16. Quickly and securely set expansive screw anchors in masonry, regardless of thickness. Hardened alloy steel. Patented.