Description
A non-adjustable wrench or ‘spanner’ that has one open-end and one box-end. This set includes 16 wrenches, with sizes from 6 mm through 21 mm.
Also Known As: Box end, crescent, open end, spanner wrench
Similar To: Adjustable wrench set
Intended Uses
Used to grip, tighten, and loosen nuts and bolts.
Tool Resources
Diagram
Instructions & Resources
- Web Page: Tool Anatomy: The Combination Wrench by Autoweek.
- Video: Open End Box End Combination Wrenches (3:14 min) by Heather Taylor.