The Stainless Steel Rule stoppers are designed to fit comfortably between thumb & fore finger with raised ridges for a better grip. It can fit rulers from 22.2 mm to 28.5 mm wide & upto 1.2 mm thick with the length ranging from 150mm to 600 mm slide the stop over the ruler & tight it at the desired position. The notched part of the brass adjustment screw ensures even the thinest rulers to be champed securely. This rulers stop has precise application as it provides a solid reference point.
Packed in card paper box.