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The #1-selling penetrant since 1957, PB B'laster quickly busts loose rusted or frozen parts caused by rust and corrosion. Contains a non-evaporating lubricant that saves time and equipment and protects against further rust and corrosion.

Save on PB Penetrant Pro with Straw with a Harbor Freight discount code

Checkmate is a savings app with over one million users that have saved $$$ on brands like Harbor Freight.

The Checkmate extension automatically applies Harbor Freight discount codes, Harbor Freight coupons and more to give you discounts on products like PB Penetrant Pro with Straw.