Round Self-Locking Washers are used to secure board or batt insulation onto self-stick or perforated base pins. The lock washers are 1-1/2" round punchouts of galvanized steel. The washer fits 12 gauge pins (sold seperately).
Round Self-Locking Washers are used to secure board or batt insulation onto self-stick or perforated base pins. The lock washers are 1-1/2" round punchouts of galvanized steel. The washer fits 12 gauge pins (sold seperately).