SHENG-RUI Bow Square T Shape Archery Ruler Recurve Compound Bows Longbow Measuring Tool

Nock Material: Brass Surface + Red Antiskid Nylon Feature: Suitable for different kinds of bow string Can stabilize the site for bowThe inner layer is antiskid nylon, so it can protect the bow stringEasy to install with a nocking plier and a bow square.Or you can choose T RulerMeasurement Range: 12 inch (30mm) lengthMaterial: aluminum alloyColor: Red, Black, Silver, Gold, Blue for your choiceHow to use: The two metal clips easily clip on to the string to hold it securely to the bow?using it to ensure that the nocking point is set to the square on the bow.Recording measurements such as brace height and tiller.Help to adjust the distance of the bow string to the arrow rest.Works well on longbow, recurve bows and compound bows.