General description The AlwaysH Carpenter Compass is a professional adjustable round ruler designed for drawing circles and precise carpentry marking. Made from durable aluminum alloy, this compass is built to withstand regular use without bending or breaking. It features a small pen slot and a center wheel to prevent accidental leg movements, making it an essential tool for various applications. Technical specifications Material: Aluminum alloy Maximum adjustable distance: 164mm Usage Open the compass and unscrew the screw. Position the pivot point at the center of your arc or circle. Attach the pen tip for drawing, similar to using a standard compass. Ideal for engineering decoration design, wood processing, and educational purposes. Other information Manual measurements may allow for a 1-3cm error. Color differences may occur due to lighting and display variations.