Hammer drive anchors can be used in concrete, block, brick and stone. The single head nail like expander pin provides a permanent, tamper proof, corrosion resistant installation.

The body is made of a corrosion resistant zamac alloy and the nail is make of grade 304 stainless steel.  These anchors are suitable for light duty applications including roof flashing, brick ties, electrical fixtures, furring strips, light duty mechanical attachments and maintenance but should not be used in overhead or sustained tensile loading applications.