This drill chuck is compact and convenient for carrying and storage. It offers wide compatibility with most rotating tools, such as miniature electric drills, electric grinders, and more. Multiple specifications allow you to choose the one that best fits your work requirements. Installation is simple and time-efficient. Made of metal material, it ensures durability and long-term use. The drill chuck length is approximately 16mm (0.6 inches). Suitable for use with drill bits, power drills, rotary tools, and similar equipment. Item Name: Drill Collets Material: Metal Color: Golden Features: Mini, Easy to Install, Widely Used Specifications: - M8 Nut with 4.8mm Tail Diameter Drill Collets - M8 Nut with 4.2mm Tail Diameter Drill Collets - M7 Nut with 4.8mm Tail Diameter Drill Collets - M7 Nut with 4.2mm Tail Diameter Drill Collets Clamping Range Reference: - 0.5mm Collet: 0.30.6mm - 0.8mm Collet: 0.60.9mm - 1.0mm Collet: 0.81.1mm - 1.2mm Collet: 1.01.3mm - 1.5mm Collet: 1.31.6mm - 1.8mm Collet: 1.61.9mm - 2.0mm Collet: 1.72.1mm - 2.4mm Collet: 2.12.5mm - 3.0mm Collet: 2.63.0mm - 3.2mm Collet: 2.93.2mm Size Details: Length: 1.6cm / 0.6" (Approx.) Notes: Due to differences in lighting and screen settings, the item color may vary slightly from the images. Slight dimensional variations may occur due to manual measurement. Package Includes: Set 1: 1 x M8 Nut 10 x 4.8mm Tail Diameter Drill Collets Set 2: 1 x M8 Nut 10 x 4.2mm Tail Diameter Drill Collets Set 3: 1 x M7 Nut 10 x 4.8mm Tail Diameter Drill Collets Set 4: 1 x M7 Nut 10 x 4.2mm Tail Diameter Drill Collets