FREE GROUND SHIPPING IN THE CONTINENTAL USA (LOWER 48 STATES) 100-Count Pack of 24\” Inch 14 Gauge Wire Simpson Strong-Tie Insulation Supports IS24-R 849297 100-count pack of 24\” inch OC insulation supports. These insulation supports have mitered edges to ensure a tight fit when installed between joists. Used to keep insulation in place between joists and rafters. Made with 14 gauge wire. Easy to use Ready to use Durable Made in USA