4. Adjustable length. We offer 2 types of stair tread measuring tool, long version: measuring range 8-14 inches and short version: measuring range 30-48 inches. 1. Multifunction. Each stair tread jig includes two pieces, together they make a complete tool. Made from stainless steel to last a lifetime. Perfect for installing stair treads, risers and shelves. 2. Durable and practical. Made of impact and chemical resistant metal, very durable and reusable. Easy to use. Very easy to adjust the angle and length to match all requirements. Locks securely in place using 4 buttons. Simple, easy to use and absolutely essential for precise cuts and measurements. Many uses: Works perfectly with stairs, risers and shelves, etc. Easy to handle and adjust for the correct angles. Portable and simple. Stair Tread Jig Tool will help you lay stair treads, risers and shelves perfectly. Stair Tread Measuring Tool, Adjustable Length 30"-49" Tool Shelf Measuring Gauge, Long/Short Version, Measuring Range 8" - 49" Features: 1. Multifunction. Each stair tread jig includes two pieces, together they make a complete tool. Made from stainless steel to last a lifetime. Perfect for installing stair treads, risers and shelves. 2. Durable and practical. Made of impact and chemical resistant metal, very durable and reusable. Easy to use. Very easy to adjust the angle and length to match all requirements. Locks securely in place using 4 buttons. Simple, easy to use and absolutely essential for precise cuts and measurements. 4. Adjustable length. We offer 2 types of stair tread measuring tool, long version: measuring range 8-14 inches, and short version: measuring range 30-48 inches.< /p> Many uses: Works perfectly with stairs, risers and shelves, etc. Easy to handle and adjust for the correct angles. Portable and simple. The stair tread template tool will help you arrange stair treads, risers and shelves perfectly. Features: Material: Wood; stainless steel. Color: as shown in the picture. Stair step template size: 30.5 cm. Short measuring range: 8 to 14 inches. Long measuring range version: 76.2 to 122.9 cm. Weight: approximately 650 g. Package contents: 1 stair measuring tool. Note: Please allow 0-1cm error due to manual measurement. Please only order if you accept this margin of error. The color of the item may vary from the color in the photo depending on your computer's display and brightness settings. Thank you! Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin