Photo 1 of 
Tapcon
1/2 in. x 3 in. Hex-Washer-Head Large Diameter Concrete Anchors (10-Pack)

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Photo 1 of 
Tapcon
1/2 in. x 3 in. Hex-Washer-Head Large Diameter Concrete Anchors (10-Pack)Photo 2 of 
Tapcon
1/2 in. x 3 in. Hex-Washer-Head Large Diameter Concrete Anchors (10-Pack)