Door lock installation kit, door lock slotting tool, equipped with round and square marking blades, a 90° baffle, PH2 and SL7 screwdriver bits, suitable for doors 1-3/8 inch to 1-3/4 inch thick, allowing for precise chiseling and marking (blue).

• 【All-in-one chisel-and-install】: Not only can it perfectly replicate the shape of the door's latch, but it can also chisel out the lock hole using the top chisel and install the door lock using the built-in drive drill bit. • 【No Measurement Required】: Depending on the door thickness, the 90° baffle flips and inserts into the slot, accommodating door thicknesses of 1-3/8" or 1-3/4". • 【Suitable for round or square latches】: The reversible latch mortising machine can slot round and square latches, greatly reducing the number of tools you need to bring to the work site. Recommended for woodworking and DIY enthusiasts, eliminating concerns about tool incompatibility. • [Built-in Marking and Chisel Tools]: The latch installation kit includes interchangeable square or round blades and a top chisel to help cut professional latch shapes and lock holes. • [Lock Installation Kit]: Includes built-in marking and chisel tools with interchangeable round and square blades, 1 milling cutter head, 1 90° baffle, 1 1-inch PH2 drill bit, and 1 1-inch SL 8-10 drill bit. One set of tools is all you need to install a lock.