BK Resources All Stainless Steel GrillCook Pro Large Shelf Attachment. The Shelf Fits BK Resource GrillCook Pro Upright Stand, Model GCP-3. The Shelf Attachment is Easily Removable for Cleaning. Installs in Seconds. Offered by BK Resources: a leading supplier of Stainless Steel products, plumbing supplies, commercial gas hoses, and refrigeration. BK Resources strives to develop products that are built to last, save time, increase efficiency and offer value to the end user. BK Resources is a leading supplier of Stainless Steel products, plumbing supplies, commercial gas hoses, and refrigeration. They strive to develop products that are built to last, save time, increase efficiency and offer value to the end user. BK Resources products can be found in leading restaurants, bars and night clubs, universities, stadiums and food trucks nationwide.