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Square Self Lockinig Washers are used to secure insulation onto self-stick or perforated base pins. The lock washers are 1-1/2" x 1-1/2" squares of galvanized steel. The washer fits 12 gauge pins (all pins sold on our site).
When installing on softer batt insulation make sure not to compress the insulation (causes loss of R-Value).
Large Lock Washers are preferred when installing heavier insulations such as:
Width: 1-1/2"
Height: 1-1/2"
Color: Silver (Galvanized)
Fits Pin Gauge: 12 ga (Washers fit all pins on our site)
Sold in Bags of 100 washers
Sold in Boxes of 1,000 washers
Perforated Base Insulation Hangers
*Also Available in BLACK