[Time-saving Stair Tread Tool]: Stair Tread Template Set will easily help you to perfectly arrange stair treads, risers and shelves. Improve accuracy and save time without paying more for mistakes. Easy to operate and adjust to the correct angle. Portable and simple.[Flexible Use]The stair tread gauge tool comes with three sizes of 8 and 12 and 16 inch extension rods that can be slid and adjusted from 10.2 to 53.3 inches. The 10-inch stainless steel plates on both sides have scale and angle measurement (0° to 360°), which can be stretched in any combination according to your needs to meet the measurement of different corners. The stair ruler is easy to adjust and locks securely in place with four knobs.[High Quality Material]Stair tools are made of high quality stainless steel, and the surface is anodized to prevent discoloration in humid or high temperature environments. Bolts are not easy to break, durable, reusable and easy to carry[Wide Scope of Application]This stair tread template tool provides the greatest help for you to install stairs, it can measure the length and width of stair treads, and it can also measure the rotation angle of spiral stairs. Additionally, this stair gauge can be used on deck floors, wall frames, window sills, shelves, closets, dividers for measurement and angle placement.[Decoration Partner]Stair Tread Fixtures can provide you with precision baseboards and shelves of irregular lengths, provide stair cutting tools, help you save materials and time, and make your formwork treads the perfect choice for decoration.Colour: BlackMaterial: Stainless steelPackage contents:1 set Stair Tread Template ToolOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.