Accessory Fastener Pack for 3-Step Barrette Outdoor Living Screen EncloSure System: (Please note: Color-matched #10 in. x 2 in. SMS hex head fasteners are included in each Barrette Outdoor Living Screen EncloSure Framing Kit. This accessory pack is not a required purchase for a typical Barrette Outdoor Living Enclosure Screen System installation.) This additional, optional fastener kit was developed for the convenience of contractors and homeowners and DIY enthusiasts. It features 100 of our color-matched, hex-headed, #10, white, SMS 2 in. fasteners. These fasteners are used for installation of Barrette Outdoor Living Screen EncloSure Framing material, 1 x 2 open back aluminum extrusions, to the interior of an existing opening when building a screen enclosure. This 2 in. fastener securely bites 1 in. D into a wooden sub-surface after securing the 1 in. tall extrusion.