Square Self-Locking Washers are used to secure board or batt insulation onto self-stick or perforated base pins. The lock washers are 1-1/4" square punchouts of galvanized steel. The washer fits 12 gauge pins (sold seperately).
Square Self-Locking Washers are used to secure board or batt insulation onto self-stick or perforated base pins. The lock washers are 1-1/4" square punchouts of galvanized steel. The washer fits 12 gauge pins (sold seperately).
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