Includes 1/8-Inch and 1/4-Inch Screws for DuraBoard, HDF, or any round hole pegboard (excluding metal) Organization Solution: Unique fastener system attaches and locks the shelf securely to any 1/8" or 1/4" round hole pegboard using screws included Your Storage and Organization Source: We offer heavy-duty organization and storage solutions including polypropylene, metal, stainless steel and HDF pegboards as well as an array of hooks, shelves, bins and other accessories Durable and Versatile: We specialize in wall organization that can finally help you start making better use of the spaces in your home with durable, versatile wall-mounted pegboard systems Triton Products: We provide industrial quality, innovative storage solutions for your garage, craft room, laundry room or office