Check the listing for details. Blaster Powerful Rust Penetrating Catalyst With ProStraw - 11 oz.. Condition: New. Listed at 12.97 USD. Blaster Powerful Rust Penetrating Catalyst With ProStraw - 11 oz. The #1-selling penetrant since 1957, PB B'laster, is back with the new and improved B'laster ProStraw. The same legacy formula that quickly loosens rusted or frozen parts now offers Control Flow Technology. Easily switch between Spray, Drip, or Stream, giving the capability to adjust the volume of penetrating oil dispensed. PB B'laster penetrant also contains a non-evaporating lubricant that protects against further rust and corrosion. It is also a great rust inhibitor and penetrating oil for seized bolts, rusted nuts, corroded pipe threads, and other industrial, plumbing, and agricultural equipment applications. Simply saturate the troubled area, and if you need more, do it again.#1-selling penetrantBreaks free rusted or frozen partsAttacks and prevents rust and corrosion from all anglesUse on automotive, industrial, marine, plumbing and other equipmentFeaturing B'laster prostraw with control flow technology ShippingOrders are shipped within 1 business day. Shipping method may vary.Items generally are delivered 3-5 days. Occasionally It may take longer.ReturnsReturns are accepted within 30 days starting the day item shipped.Item(s) must be in the same condition as delivered and in Its original packaging.ContactAlways contact us If you have any questions or problems before leaving negative feedback and we'll do our best to make things right!