Features: Brand new and high quality Telescopic drill bit holder, screwdriver extension rod, telescopic sleeve, control the shaking of long screwdriver and screw during rotations, improve work efficiency. The sleeve can be pulled out telescopically, and the sleeve and the hexagonal inner can be telescopic up and down. When the sleeve can be held by hand, the external batch head can rotate normally. Frosted aluminum alloy case, comfortable and elegant. Built-in magnetism, adsorption bit, and magnet inside the interfaces, which is convenient for more stable operation of adsorption bit. Hexagon handle joint is suitable for most sleeves and electric drills. Specifications: Material:Aluminium Alloy Type:80mm/120mm 80mm Total Length:Approx.120mm/4.72inch 120mm Total Length:Approx.203mm/7.99inch Package Includes: 1 Set Magnetic Bit Holder 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.