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- Easily identify bolt sizes on-the-go.
- Small and compact size makes it easy to carry around anywhere.
- Effortlessly switch between Metric and SAE measurements
- Say goodbye to the days of test fitting sockets to find the right size.
Instant Bolt
Size Identification
Our Bolt Size Finder gauge lets you identify any bolt or nut size instantly, saving you time and effort.No more testing different sockets to find the right size—our tool makes the process simple and easy.
Measures Both
Metric and SAE Bolts
Our Bolt Size Finder measures both Metric (8 - 25 mm) and SAE (5/16 - 1") bolts, making it versatile and suitable for any job.With this tool, you won't have to worry about grabbing the wrong socket.
Portable and
Compact Keychain
Our Bolt Size Finder is portable and compact, making it easy to take with you on the go.Attach it to your keychain and you'll always have it on-hand when you need it.
Saves You
Time and Effort
Our Bolt Size Finder saves you time and effort by allowing you to quickly and easily identify bolt and nut sizes.No more wasted time trying to figure out which socket to use our tool does the work for you.
Why Buy From Us
Unrivaled Service
Talk to a real human for customer support within 30 business minutes or get your money back.
Limited Lifetime Warranty
All hand tools and tool organizers include a limited lifetime warranty that covers all manufacturer's defects.
90-Day Returns
Use our tools completely risk-free for 90 days and if you're not happy with them, get a full refund.
Satisfaction Guaranteed
We go above and beyond to to make your buying experience as easy & smooth as possible.
- Reviews
- Questions
United States United StatesGreat Quality and nice intro to Olsa Tools
Bought this from Olsa Tools direct on their website. Didn't realize they were in Canada western province but got great customer service when I asked. Shipping & Tracking was on time and communicated to my email. Arrived when expected and pleasantly surprise to find the quality was exceptional. Will defiantly buy again direct from Olsa Tools (don't give Amazon your $$) when you can support your manufacturer direct!!
United StatesGreat gift!
I made this purchase as a gift for my mechanics...they have bailed me out of numerous, costly repairs and have always kept my family's cars and trucks running like champs. Every year we like to show our appreciation to them. They loved it!
United StatesGREAT CUSTOMER SERVICE
Caveat, I literally just opened the package, but it was lost. The customer service folks were so prompt and helpful! I took it out of its pouch and the engravings are easy to read. The mechanism is a touch hesitant to move, but I'm still getting used to the action, and it'll break in for sure. Overall, I'm 100% happy for the purchase and I might be using them as stocking stuffers later this year!
United States