General description This 90 Degree Mini Carpenter Square is a precision woodworking machinist measuring tool designed for quick and accurate angle marking. It features angle marks on the slanted edge in 5 increments from 0 degrees to 90 degrees, allowing for easy marking of common angles such as 22.5°, 30°, 45°, 60°, and 67.5° using the included pin. Its compact size makes it easy to carry in work aprons, tool straps, and pockets, making it a versatile tool for any woodworking project. Technical specifications Material: Aluminum alloy Color: Red Measurement allowed error: +/- 1-3 cm Usage Quickly mark angles with precision Mark parallel lines with a 1/16 inch spacing between small holes Guide a 3/8 inch drill bit to accurately center on a 3/4 inch wooden board Other information Package Contents: 1 x Carpenter Square Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing.