2-1/2 in. Square Insulation Stick Pin Washer, S-250 (1,000 Piece Per Pack) | GEM-2232-0250-1

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

• MATERIAL: Low Carbon Steel, galvanized/coated. 
• EDGE: Beveled
• DIMENSIONS: 2-1/2 in. x 2-1/2 in.
• THICKNESS: .016 in.