Complete Kit Contents: This kit provides everything needed for your door lock installation projects. It includes an adjustable plastic guide template, a 2-1/8inch(54mm) hole saw, a 1inch(25mm) hole saw, and an arbor with a drill bit, ensuring a comprehensive solution from start to finish. Crafted from Superior Materials: Enhance your toolkit with our door lock installation kit, featuring hole saws constructed from robust Metal for durability and a guide template made from sturdy reinforced plastics, designed to withstand frequent use and deliver precise results. Ease of Use: Designed for simplicity, our kit features an adjustable guide template that ensures accurate drilling. Equipped with a snap-lock arm to accommodate door widths and backsets, this kit simplifies the process of drilling seamlessly from one side to the other, ensuring thorough and efficient installation. Versatility for Common Door Sizes: Our tool's practical design accommodates the most prevalent lock sizes used for wooden doors. Its adjustable nature fits door thicknesses of 1-3/8inch, 1-1/2inch, and 1-3/4inch, and backsets of 2-3/8inch and 2-3/4inch, making it a versatile addition to your tool collection. The actual product may have slight color difference or difference, which not affect the use Colour:Red+Black Material:Plastic+Metal Package Contents: 1 x adjustable plastic guide template 1 x 2-1/8inch(54mm) hole saw 1 x 1inch(25mm) hole saw 1 x arbor with drill bit Only the above package content, other products are not included. Note: Light reflection 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.