The new joinery ruler makes your life easier by wrapping around the edges of the stock and providing precise proportions on both sides. The secret to the T-Square is a series of machined indexing holes with precision and tight tolerance, spring-loaded indexing pins that mesh with them. The pin snaps into place, giving you confidence that it is positioned precisely. Even the most experienced woodworkers face the challenge of accurately placing angles on large panel projects . You can try to stretch the line from a small protractor, but even a small error will cause the line to stretch, the bigger the error. Our new precision rulers provide a unparalleled precision for your signage layout work. Simply press the head to the desired angle and press straight down. The head is adjustable from 0 to 70 and locks securely every 5 (plus 22-1/2 and 67-1/2), giving you precise reference angle and length respectively. It's 10 inches tall. Even if you're not using Angular, it's a layout tool that can be used in almost any project. The blades feature the same exclusive serration. Design flaws are found in our new products. Precision Stainless Steel Square. Feature: - New Edge Carpentry Ruler makes your life easier by wrapping stock edges and providing precise proportions on both sides. - The secret of the T-Square is a series of precision-machined indexing holes and tight tolerance, spring-loaded indexing pins that engage with them . - Our new precision rulers provide unparalleled precision for your panel layout work. Simply press the head to the desired angle and press straight down. The head is adjustable from 0 to 70 and locks securely every 5 (plus 22-1/2 and 67-1/2), giving you precise reference angle and length respectively. It measures 10 inches. illustrate: material: metal silver Size: 10 inches Measuring range: adjustable head between 0 and 70 package includes 1 * Woodworking Edge Ruler