12mm Combination Spanner Tolsen

a hand tool used for tightening or loosening nuts and bolts with a 12mm diameter head. Here’s a breakdown of what each part of the term typically means:

1. 12mm: This indicates the size of the spanner, specifically the size of the opening or jaw of the spanner. In this case, it’s 12 millimeters, which means the spanner is designed to fit nuts and bolts with a 12mm diameter.