ER Spanner Wrench For ER16, ER20, ER25, ER32 Collet Nuts – CNC Lathe Tool

Need a simple, no-nonsense wrench for your ER collets?

This spanner is exactly that.

It's designed to fit ER16, ER20, ER25, and ER32 collet nuts, so it's a versatile little tool for any CNC machinist or hobbyist.

It's the classic \UM\ type wrench you see on every lathe or mill.

It's brand new, unbranded, but it's made of solid metal and does the job.

If you're constantly swapping out collets in your CNC holder, this little guy will make your life way easier.

Simple, effective, and gets the job done.

Made in China.