Self-Stick Insulation Pins 3-1/2 (100Pcs) with Self-Locking Washer(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 Self-Sticking Insulation Pins and 100 pcs Self-Locking washers PIN: The pin is made from 12 gauge annealed low carbon steel. BASEPLATE: 2" x 2" Square Plate made from glavanized steel. ADHESIVE FOAM: 1/32" thick double sided foam with release paper.