Stair Tread Template Tool - Precision measuring and installation kit for stair projects. Includes 2 x 20.3 cm connecting rods, 2 x 30.5 cm connecting rods, 2 x 40.6 cm connecting rods, 2 x 20.3 cm template heads, 18 x long screws, 8 x short screws, 8 x star knobs, 2 x rulers, and 1 pencil. - Robust and lightweight: made from stainless steel and aluminum alloy for strength and ease of handling. Resists rust and wear, ensuring long lasting use with a finish that stays looking like new. - High precision markings: both sides offer clear, easy to read scales for accurate measurement, enabling reliable stair angle and cut accuracy. - Flexible adjustment: eight adjustable lengths; extend or shorten as needed and connect multiple parts to fit different work areas. - Beginner friendly: simply place the tool between two walls or steps, set the screws, tighten, and measure. Suitable for both DIYers and professionals. - Practical applications: ideal for laying out stair tread depth and angle during installation, aligning treads and risers, and cutting or adapting stair components in remodel projects.