Built Upgraded, Last Long Time:Being more stable and , Tall Stair Gauges have been equipped with well of quality aluminum alloy of which has been anodized. Served as framing square attachment, stair gauge knob for circular saw and stair stringer layout Should last a long time if you take good care of it and in company with you in your hand-working life. How this Carpenter Helper Works: We improve the tall stair gauges with hexagonal shape which fits the edge better. Its taller body makes it work with your ruler to accurately perpendicular to the wood stuff. Tighten the premium thumbscrew to clamp to the wood stably. and equipped with anti-lost holder, a great partner for carpenters. Time Saving Tool for Carpenter:If you're a or carpenter, then chances that you need something to mark repetitive angles with carpenters square on the wood are high. Tall Stair Gauges can be used as framing square attachment, stair gauge knob for circular saw and stair stringer layout, which should help carpenter save time to make angles and guide saw to make angle cuts. Practical Tool for Home Improvement: Tall Stair Gauges is designed for those who need a basic tool to make angles and guide saw to make angle cuts. Easy to use. be helpful for DIY crafts, home improvement and carpenters., Manufacturer: Akfldms