Specifications: 4-way chuck key with different size. Multifunctional design with good performance. Smoothly polishing surface treatment, wear resistant. Eco-friendly steel, firm and with high strength. Convenient and compact suitable for most chucks. Item Name: Drill Chuck Wrench Material: Metal Quantity: 1 Pc Features: Durable, Easy to Use, Portable, Useful Size: 7.5cm x 7.5cm(Approx.) Drill Diameter: 5.5mm/0.2", 6mm/0.24", 6.4mm/0.25", 6.4mm/0.25" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Drill Chuck Wrench