Description: Heavy Duty: Chrome vanadium steel is suitable for heavy-duty impact drivers. Spring-loaded ball bearing on head holds sockets securely. Impact Resistant: This adapter set Turn your power driver power drill impact driver into versatile Drill nut driver set. 6 PCs: The set included 6 pcs, 3in: 1/4-inch, 3/8-inch, and 1/2-inch; 6 in: 1/4-inch, 3/8-inch, and 1/2-inch. Easy And Quick: This set is perfect for your impact driver or drill, and allows you to replace your ratchet with a power tool. The 1/4" hex shank fits all quickly change chucks and standard drill chucks. Durable: Made from heat-treated hardened chrome Vanadium (CR-V) steel, these adapters offer exceptional abrasion resistance, high hardness, and enduring strength, avoiding breakage or rust. Widely Used: This Impact socket adapter set also will save your precious time for changing out of Power Drill compared with the traditional hand-operated nut drivers. Compatible with common to heavy duty power tools, drivers, hand wrench, and screwdriver handle tools for flexible uses. Note: Actual product color may vary from the colour you see on your screen. Specification: Type: Drill socket adapter set Size: 15cm, 15cm, 15cm, 7.2cm, 6.5cm, 6.5cm Material: Chrome vanadium steel Color: Silver Weight: 280gm Features: High quality Impact resistant Durable Portable and easy to carry Reliable Easy and quick install Abrasion resistance High hardness Easy to use Widely used Package Content: 1x Drill socket adapter set