1/4 in. x 2-1/4 in. Phillips-Flat-Head Concrete Anchors (75-Pack)
https://www.probuilderswarehouse.com/shop/165594-1-4-in-x-2-1-4-in-phillips-flat-head-concrete-anchors-75-pack-360903
https://www.probuilderswarehouse.com/web/image/product.template/360903/image_1920?unique=671cf59
Brand: Tapcon
Model: 24380
SKU#: 165594
Barcode: 100020810
