[Modular Design for Flexibility] - This stair measuring jig includes three extension parts: 16 inches (A), 12 inches (B), and 8 inches (C). These components can be combined as needed to accommodate various project requirements, providing a measurement range from 16.2 inches up to 60.1 inches. This adaptability makes it a practical tool for a variety of tasks. [Perfect for Multiple Woodworking Projects] - Ideal for installing wooden floors, building stair treads, or measuring spaces such as closets and windowsills, this stair jig is a versatile tool suited for a wide range of applications. It is a valuable addition for both amateur woodworkers and professional tradespeople. [Compact and Gift-Ready Storage] - The stair measuring jig comes with a storage bag to keep all parts organized and prevent loss of components. Its compact and well-designed packaging makes it a thoughtful gift for woodworking enthusiasts, including DIY hobbyists and experienced craftsmen. Color: As Shown Material: Aluminum Alloy Note: Due to variations in manufacturing batches, there may be slight differences in product appearance or printed text. These variations do not affect functionality. Package Contents: 1 x Stair Measuring Jig Kit (Other items not included) Note: Lighting and display settings may cause slight color variations between the product image and the actual item. Measurement error allowance: +/- 1-3 cm.