[ Engineering] Crafted from aluminum alloy for accuracy and longevity, ensuring your stair tread templates are precise and reliable. [Flexible Sizing] Adjustable tool from 17.9 to 58.9 inches make this jig suitable for a variety of stair projects, enhancing your creativity. [Secure Assembly] Innovative technology with rivets and screws guarantees a strong structure, essential for stability during use. [User-Friendly Design] Easy to configure track components streamlined for user experience, perfect for both professionals and enthusiasts. [Complete Tool Set] Comes with a storage bag and necessary accessories including measuring tape and slider, making it ideal for all your stair projects., Manufacturer: Badafaci