2-Pack Thread Size Checker Keychain Set – Inch & Metric Bolt/Nut Sizer, Portable, Aluminum & Stainless Steel

About This Product

This thread checker keychain set is a lifesaver when you're digging through a pile of bolts and nuts.
You get two pieces – and they're compact enough to clip onto your keychain or toss in your toolbox.

It covers both inch and metric sizes, so you can quickly figure out what thread you're dealing with.

No more guessing or holding bolts up to the light – just slide the knob and match it up.
It handles everything from tiny little screws to big hefty bolts.

Made from high-quality aluminum alloy and hardened stainless steel, so it's durable and won't bend or break.
The markings are clear and easy to read.
Perfect for mechanics, DIYers, or anyone who works with fasteners regularly.

Saves you time, frustration, and trips back to the hardware store.
Small, smart, and super useful – this is one of those tools you'll wonder how you lived without.