General description This 3.175mm Hobby Mini Handy Drill Set includes a hand drill and five tungsten steel bits (0.5/0.8/1.0/1.5/2.0 mm). It is designed for ease of use and quick bit exchange, making it an ideal tool for various DIY projects. Technical specifications Drill bit shank size: 3.175mm Included drill bits: 5pcs (0.5mm, 0.8mm, 1.0mm, 1.5mm, 2.0mm) Material: Plastic + Metal Measurement allowed error: +/- 1-3cm Compatibility and accessories Designed to fit drill bits with a 3.175mm shank only Installation Can be used as an extension when connected to the rear end for better adaptability to specific jobs Usage Quick exchange of drill bits with an alloy chuck for simplicity Embedded magnetic locking system prevents accidental falling off during bit changes Two-way multifunction cap provides protection for drill bits Other information Color may vary slightly due to light reflection and different displays