Precision sizing up to 80mm
Accurately measures bolt and nut head sizes up to 80mm, so you can identify the right fastener the first time.
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Why customers love it
The bolt sizing tool you will never leave behind
This compact keychain gauge lets you identify bolt and nut head sizes up to 80mm with precision, making it a dependable companion for automotive repairs, DIY projects, and mechanical work.
- Accurately measures bolt and nut head sizes up to 80mm
- Dual metric and imperial markings for versatile use
- Compact keychain design keeps it within easy reach
- Clear, engraved markings ensure error-free readings
- Ideal for automotive, home improvement, and mechanical tasks
A smarter way to size bolts and nuts
Dual measurement standards
Dual metric and imperial markings let you work with whichever standard your project uses.
Everything within reach
Compact keychain design keeps the gauge within easy reach, so it is always on hand for quick checks.
Specs
The details that matter
- Measurement Range
- Up to 80mm
- Markings
- Metric and imperial
- Design
- Keychain
- Quantity
- 2 Pieces, 1 Piece
More details
This compact keychain tool lets you quickly identify bolt and nut sizes with precision, making it an essential companion for automotive repairs, DIY projects, and mechanical work.
- Accurately measures bolt and nut head sizes up to 80mm
- Dual metric and imperial markings for versatile use
- Compact keychain design keeps it within easy reach
- Durable construction withstands frequent use and tough conditions
- Clear, engraved markings ensure error-free readings
- Ideal for automotive, home improvement, and mechanical tasks
Perfect for professionals and hobbyists alike, this gauge simplifies sizing tasks and saves time on the job.
Frequently asked questions
Everything you might want to know before you order.
How do delivery and returns work?
Shipping
Free standard shipping
To Germany: 1–3 business days processing, then 5–12 business days in transit. Estimates, not guaranteed dates.
Your dispatch email includes a tracking link. Contact us if it has not arrived within 5 business days of ordering.
Outside the EU, import duties and local taxes may be payable on delivery. See the shipping policy for supported destinations and conditions.
Returns
Request a return within 14 days of delivery. Standard eligible returns must meet the policy conditions; a €4 prepaid-label fee is deducted from the refund. Return shipping is free for faulty, damaged or incorrect items. Contact us promptly if something is wrong. Your mandatory consumer rights are unaffected.