Door Hole Drilling Kit for Wooden Doors: designed to work nicely with wood doorways in the most typical lock sizes for day after day use; Adjustable plastic handbook template suits 1-3/8-inch and 1-3/4 inch thick doorways and suits 2-3/8-inch and 2-3/4 inch backsetsProfessional Quality: the opening noticed and arbor are made from durable carbon steel, coupled with a bolstered plastic handbook template, which allows this door lock set up package to ensure long-lasting functionality even with frequent useEasy Lockset Installation: this adjustable instruction manual template permits for straightforward and accurate drilling, and the snap-lock arm could be utilized to choose door widths and backsets; No worries set up in a couple of straight forward stepsNotice: this door lock set up kit is well suited with wood doors only; Do now not drill in the course of the door only on one side, it is best to drill bore hole halfway on both sides of the door.Please note: the physical barely shade difference or difference, does not influence the use, please don't mind, thank you!Material: plasticcolour: redPackage Contents:1 x Door Lock Installation KitOnly the above equipment content, other products should not included.Note: Light mirrored image and diverse reveals may cause the colour of the thing in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.