4 in. x 4 in. Black Plastic Post Base Skirt and Post Cap Adapter (4-Pack)
https://www.probuilderswarehouse.com/shop/1007837547-0-4-in-x-4-in-black-plastic-post-base-skirt-and-post-cap-adapter-4-pack-575708
https://www.probuilderswarehouse.com/web/image/product.template/575708/image_1920?unique=b31ad15
Brand: NUVO IRON
Model: PCCA4B-ESPBP4
SKU#: 1007837547.0
Barcode: 320189870
