Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise this penetrating oil as the best available for loosening seized and rusted bolts, parts, and hardware. Many report outstanding results on automotive components, lawn mowers, and locks—often within minutes or after overnight soaking—and describe it as outperforming alternatives. Reviewers emphasize it works where other products fail and stress they keep multiple cans on hand as a trusted staple. Some note issues with can pressure loss or defective spray nozzles, and a few mention strong odor requiring ventilation. Despite these minor packaging concerns, most customers plan to repurchase and consider it an essential toolbox item.
Customer review summary generated by AI, including incentivized reviews.Good stuff works well
Verified Purchaser
Great product
Verified Purchaser
Works through rust and corrosion
Would RecommendHas a strong odor but works well and has a dial to adjust the amount being dispersed
Verified Purchaser
Great product. Provides a little more umph and penetration than WD-40
Verified Purchaser
Great product
Would RecommendBought this for one corrosion issue on old plumbing bolts and it’s become a favorite around this old house - with humid weather and hard water build up, it’s a must-have!
Verified Purchaser
Nice quality
Would RecommendGreat price
Verified Purchaser
Works great hard bolts, nuts
Would RecommendWhere has this been my whole life?! It's been a huge help to break lose tough bolts way better than WD40. Just remember, WD40 is a lubricant, this is not. This is great to help loosen things and it works wonders!
Verified Purchaser
Best stuff ever!
Would RecommendSuperior product. Always using this!
Verified Purchaser
Great for rusty bolts
Would RecommendI bought this product to help loosen rusted bolts on my jeep and it worked like a charm. It does take some time to soak into the threads, so I would recommend spraying and leaving overnight.
Verified Purchaser
Works every time
Would RecommendPenetrate the corrosion and frees up frozen fasteners
Verified Purchaser
Best penetrating product on the market!
[This review was collected as part of a promotion.] Love this product for loosening rust bolts on my older vehicles. It definitely helps by penetrating the parts to aid in removal. Always keep a can (or 2) handy.
From blastercorp.com