[A real headache saver]:Stair Tread Template Set will help you lay out stair treads, risers, and shelving to perfection. The increased accuracy and savings in time will pay compatible with the templates becompatible withe you finish your next set of stairs. Easy to handle and adjust compatible with the correct angles. Portable and simple.[High Quality and Reusable]:This Tread Template are engineered from impact and chemical resistant iron Material,which are very durable and reusable.Very easy to adjust the angle and length to match any job requirement.Securely locks into place using 4x knobs.Simple, easy to use and utterly indispensable compatible with accurate cuts and measurements.[Multi-Uses]:The quantity of Each includes two pieces as shown, together they make up one tread tool.Manufactured of zinc plated steel to last a lifetime.Perfect compatible with laying out stair treads, risers, and shelving.[Cutting Steps]: 1.assume all of your steps are uneven.Make sure your steps are level in all directions.2. Make sure you measure your overall riser height. 3.use a long straight edge to make sure the edges of your steps line up.4.MARK THE FRONT OF YOUR 1X2 BOARD you use with this Tread Template tool.Follow the steps,your cuts will be turned out perfect.[New Verion with Craftsmanship]After May,We have Upgraded and strengthened the welds around every bolts of this Stair Tool.After more than 1,000 tests,they become quality parts that Durable and reusable.size:270x135x45mmMaterial:Stainless steelcolour:BlackPackage Contents:1 x Stair Cutting ToolsOnly 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.