Small Electronic Drill Bit Holder and Chuck Set for precision work in electronics , model building, and other detailed tasks. This compact mini chuck set offers secure bit holding, smooth operation, and longterm reliability. Key Features: Compact Clamping Range: Holds drill bits from 0.3 mm to 3.4 mm with stable grip for accurate drilling. Durable Construction: Made from quality brass and aluminum for strength, lightweight handling, and resistance to wear. Secure Tightening: Includes matching wrench to ensure firm bit locking during operation. Multiple Tail Apertures: Choose from 2.0 mm, 2.35 mm, 3.0 mm, 3.17 mm, 4.0 mm, and 5.0 mm sizes for compatibility with most generalpurpose rotary tools. Reliable Under Continuous Use: Designed to resist loosening even during extended drilling sessions at workbenches or onsite. Applications: Electronics : Drill precise holes for circuit board modifications, connector installations, or component housing adjustments. Model Making: Create fine detailing in plastic, wood, or light metals for accurate scale models. DIY Projects: Perform delicate drilling where precision and tool stability are critical. Specifications: Clamping Range: 0.3 mm to 3.4 mm Tail Aperture Options: 2.0 mm, 2.35 mm, 3.0 mm, 3.17 mm, 4.0 mm, 5.0 mm Materials: Aluminum body with brass components Included: 1 drill bit holder mini chuck and matching wrench This drill bit holder set provides dependable bit alignment, easy handling, and versatile compatibility for anyone working on precision drilling tasks.