<p>About the product</p><p>【Universal Stair Pedal Meter Formwork Tool】The Stair Formwork Tool Kit includes two sets of extension parts, 16 inches (size A), 12 inches (size B) and 8 inches (size C). Easy to use and saves a lot of measurement time.</p><p>【Adjustable Orientation】The Stair Measurement Layout tool is ideal for measuring stair treads, risers, and shelves. Enables you to measure different tread widths and lengths (from 8&quot; to 56&quot;) with unmatched accuracy. Designed for laying wooden stair treads, wooden floors, wardrobes and window sills. A good choice for DIY carpentry.</p><p>【High Quality Materials】The stair clamp is made of high-quality aluminum alloy, which is durable and wear-resistant. The CNC anodized surface is wear-resistant and rust-proof, and the electroplating marks are clearer and more accurate. The bolt is portable and reusable. A complete kit ready to install!</p><p>【Easy to Store Packaging】The sturdy toolbox that comes with it keeps all the components of the stair tread measuring tool neatly organized and easy to use, and the rulers on both sides of the stair tread tool can also change the angle to fit the shape of the stair corner.</p><p><br/></p>