Features 100% brand new and high quality. Made of chrome-vanadium steel for durability and long service life. The surface of each adapter is finished by abrasive blasting, which ensures corrosion resistance. There are five adapters of different sizes for you. Common size combinations multiply the range and capability of many electric tools Features:1. 100% brand new and high quality.2. Made of chrome-vanadium steel for durability and long service life.3. The surface of each adapter is finished by abrasive blasting, which ensures corrosion resistance.4. There are five adapters of different sizes for you.5. Common size combinations multiply the range and capability of many electric tools Specification:Condition: 100% Brand NewItem Type: Electric Tool AccessoriesMaterial: Chrome-vanadium Steel 6150Weight: Approx. 171g / 6.0ozSize: Approx. Size#16*61mm/0.2*2.4in#210*61mm/0.4*2.4in#313*61mm/0.5*2.4in#410*60mm/0.4*2.4in#510*12*60mm/0.4*0.5*2.4in Package List:5 Pcs Electric Tool Accessories Package List