Ulisem 2-Pack Quick Release Battery Terminals, 12V Battery Terminal Connectors, Battery Cut-Off Switch for Boat/Truck/Car/Van, Red and Black NPTERBL

Features: The head design offers excellent visibility and precise cutting during operation. It helps you quickly and effectively make clean, flat-bottomed holes in wood. Suitable for a variety of applications, including drilling on wood products, plastic products, wood, and plywood. Features: 1. Newly designed wood drill bit with positioning function; the drilling depth can be adjusted from 10 to 50mm, including five common opening diameters: 15/20/25/30/35mm. 2. The holes are clean, flat, and without chipped edges, and no vibration is produced. 3. Cutting resistance is low, drilling speed is increased, and the drill bit is easily removed. 4. It can be used to drill holes in various woods, wood products, plastics, plywood, and other materials. 5. The product is easy to install and use. Simply install it in a normal hand drill. Specification: Material: Carbide; Adjustable hole depth: 10~50mm; Total drill bit length: 78mm; Shank length: 27mm; Shank diameter: 7.8mm; Opening diameter: 15mm, 20mm, 25mm, 30mm, 35mm; Package weight: approx. 500g; Package list: 5*drill bits, 2*hex keys