[Modular Design for Flexibility] - This stair measuring jig includes three extension parts: 16 inches (A), 12 inches (B), and 8 inches (C). These can be combined as needed to accommodate various project requirements, offering a measurement range from 16.2 inches up to 60.1 inches. This adaptability makes it a practical and versatile tool for a wide range of tasks. [Perfect for Multiple Woodworking Projects] - Ideal for installing wooden floors, building stair treads, or measuring spaces such as closets and windowsills. Its broad functionality makes it a valuable tool for both amateur woodworkers and professional carpenters. [Compact and Gift-Ready Storage] - The stair measuring jig comes with a storage bag to keep all components organized and prevent loss of small parts. Its compact and well-designed packaging also makes it a thoughtful gift for woodworking enthusiasts, including hobbyists and DIY individuals. Color: As Shown Material: Aluminum Alloy Note: Product appearance and printed text may vary slightly between batches, but this does not affect performance. Light reflection and differences in display screens may cause slight variations in color compared to the actual item. Measurement may have an allowable error of +/- 1-3 cm. Package Contents: 1 x Stair Measuring Jig Kit Please note: Only the items listed above are included. Other accessories or tools shown in images are not part of the package.