Features: brand new and high quality. Application: This adapter set is designed to provide a securely locked in extension to your existing tool. Specifically machined to fit securely into a hand held driver, drill driver or impact wrench. Material: Made of high-quality alloy steel materials, ensure a long for lifetime through for tough torque jobs without breaking or rusting. Package Contains: 3 pcs power drill sockets adapter sets, 360°rotatable hex shank impact driver socket adapter, socket to drill adapter 1/4" 3/8" 1/2" impact driver adapter. Usage: This 3 piece hex shank bit driver extension bar set is designed to meet a variety of needs. Fits snugly and securely in your drill chuck or hand held driver. Wide Applications: Great for the DIY, automotive repairs, household maintenance, and most general repairs. A great tool addition to any tool box set. Specifications: Material: Alloy Steel Size: As the Picture Show Package Includes: 3x/Set Power Drill Sockets Adapter Set note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.