FastenMaster Cortex 2-3/4 in. L Square Trim Head Deck Screws and Plugs Kit 1 pkThe Cortex hidden fastening system is the fastest, easiest way to hide the fastener heads when installing Koma smooth PVC trim boards. No more caulking, sanding or painting needed. Each package comes complete with screws, plugs and setting tools and the finished look of Cortex is virtually invisible. UPC: 608309431091 Manufacturer Part No: FMCTXT234 KM250 Brand Name: FastenMaster Length: 2 3 4 in. Sub Brand: Cortex Drive Style: Square Head Type: Trim