Powers fasteners is the leading supplier of concrete and masonry anchors in north America and has been a leader in the fastening industry since 1921. Powers is an ISO-9001 international anchoring products company with extensive expertise in the following groups: mechanical anchors, adhesive, light duty, roofing and car Powers Fastening Innovations 8-Millimeter Head 0.145 Diameter 10 Pin Mag for Pa351 and Dx460, 500 Per Box