Lock Angle Measure Tool Fast Marking Measuring Ruler Woodworking Ruler Feature: The angular goniometer is a smart solution for convenient measurement of angles with subsequent transfer to the work piece. Ideal for laying floors or furniture construction. Lightweight give you the freedom to carry it in every workplace. ** [ONE-HANDED OPERATION] Use the locking lever to fasten them in position. The lever is designed for easy operation with only one hand from either side, even in tight working areas. The first step: push the two plastic legs into the corner of the wall and align them along the walls. The next step: position the angular bevel gauge on your work piece and mark the angle. ** [How to use] Put the angle bar exactly to the corner, align the arms. We lock the angle bar lever, thus fixing the dimension. Transfer the obtained measurement to the processed material. Specifications: Material: ABS Size: 32*3.5*1.5cm Weight: 54.1g Package includes: 1 pc of Angular Goniometer