ACCURATE PILOT HOLES: Ensure precise drilling of pilot holes centrally to any countersink fitting, such as hinges or lock faceplates, with the Trend Snappy Drill Bit Guides 4-piece set. SELF-CENTERING DESIGN: The drill bit guides feature a self-centring mechanism, allowing for easy and accurate alignment during drilling. Achieve professional results every time. QUICK RELEASE SYSTEM: Compatible with the quick release system, these guides effortlessly integrate into your tool setup for convenient and efficient use. Ideal for professionals. VERSATILE SIZES: The set includes three sizes of drill bit guides, suitable for various screw sizes; 2mm (5/64"), 2.75mm (7/64"), and 3.5mm (9/64") to accommodate different fittings. COMPLETE SET: This 4-piece set comprises a quick chuck and three drill bit guides, all made with high-quality materials for durability and precision. Easily dismantle for cleaning and maintenance., Weight: 0.40344593946 pounds, Manufacturer: Trend