The stop square has 5 in 1 functionality: ruler set, angle profile, caliper, protractor and drilling aid, making it excellent for 10 applications, such as plank scribing, leveling, finding roof slopes and many other precise layouts and drawings. You will receive 1 piece of solid mechanical carpenter's pencil with marking leadsandpencil leads, 1 piece of needle tungsten carbide scribing and 1 piece of automatic graining tool Multiple mechanical pencil marking tools can meet your different marking needs for woodworking, This multifunctional corner metal tool will make your work easier. The 180mm metric metal carpenter's square is precisely graduated, the angle and graduation being marked on the front and back. It has 90 absolute degrees of angle and precise lengths with industry standard accuracy. The graduation lines and numbers are laser engraved and are not easy to wear off. This makes it the most versatile tool for woodworking! The carpenter's square kit helps you get rid of tedious measuring, you don't need to carry a lot of tools, just this carpenter's square helps you make quick measurements and mark angles from 0 to 90 degrees, 3-15mm different holes help you finish drilling work, even just one nail is needed to help you to draw circles of different sizes. Carpenter's square made of high quality aluminum with black oven paint to improve resistance to oxidation and make it more durable and resistant to wear. We offer 3 years warranty service for the product, If for any reason you are not satisfied with your purchase, please email us. We will solve your problem as quickly as possible within 24 hours.