Carbon Steel Plastic Materials: This lock assembly set is made of carbon steel saws and shafts and abrasion -resistant and long -lasting plastic template. Robust and design provides long -term use. . Multi -Direction Packaging: The package includes one U -shaped plastic template, 1 inch and 2‑1/8 inches, respectively, two hole saws and a drill -tip shaft. The depth of the saw knife is 50 mm. . OCCLACED DESIGN: It is suitable for widespread lock dimensions and is ideal for wooden doors. Adjustable plastic template is suitable for 1‑3/8 inches and 1‑3/4 -inch thick doors, suitable for 2‑3/8 inches and 2‑3/4 inch rear sets. . Something Setup: Adjustable template allows easy drilling and drilling with lock arms to select the door width and rear set. The installation can only be completed in 4 simple steps. .Pratik features: It has a special design with large chip removal feature and allows the plug to be easily removed. This practical lock setting set is easy to use, which makes it a must for every home.