Perforated Insulation Pins 4-1/2 inches (100 pcs) with Self-Locking Washers (100pcs) Made in USA$$Hardware

Insulation pins are driven into a surface to secure insulation materials, while self-locking washers are placed over the pins to distribute pressure and prevent the insulation from tearing. Together, they ensure the insulation stays securely in place and maintains its effectiveness over time. Made in America with high quality materials 100 pcs Perforated Insulation Pins and 100 pcs Self-Locking washers 12 Gauge Insulation Pins and 12 Gauge Washers