FEATURESADJUSTABLE LENGTH - Easily combine the 8, 12, and 16-inch sliders to perfectly match any stair tread width. This versatility ensures you have the right tool for every step, from short to long spans.PRECISE ANGLE DUPLICATION - The pivoting templates accurately capture and lock in the exact angle of each stair, making it simple to replicate irregular shapes for a flawless fit on winding or angled stairs.DURABLE CONSTRUCTION - Crafted from high-quality aluminum alloy with stainless steel bolts, this tool is built to withstand job site conditions, resisting rust and wear for long-lasting reliability and consistent performance.SECURE LOCKING MECHANISM - Firmly tighten the star-shaped knobs to lock your measurements in place. This prevents any slipping or changes, guaranteeing your template remains accurate from measurement to cutting for professional results.UPGRADED RIGIDITY - With an increased component thickness of 0.16 inches, the tool is stronger and more rigid. This enhanced sturdiness prevents flexing, providing a more stable and reliable guide for your work.SPECIFICATIONColor: Red, BlackSliders Size: 40.64cm (16 inches), 30.48cm (12 inches), 20.32cm (8 inches)Material: Aluminum Alloy, Stainless SteelThickness: 0.4cm (0.16 inches)Package Includes: 1* Adjustable Stair Tread Template Tool SetNOTESEnsure all knobs are securely tightened before transferring measurements to prevent inaccuracies.Handle with care to avoid scratching the surfaces of the tool or the workpiece.