5/16 in.-18 Coarse Zinc Plated Steel Nylon Lock Nuts (2-Pack)
https://www.probuilderswarehouse.com/shop/208325-0-5-16-in-18-coarse-zinc-plated-steel-nylon-lock-nuts-2-pack-553131
https://www.probuilderswarehouse.com/web/image/product.template/553131/image_1920?unique=b31ad15
Brand: Everbilt
Model: 19271
SKU#: 208325.0
Barcode: 202704522
