Features: Crafted from high speed steel for durability, this 1/4inch hexagonal adapter features 6.35mm suitable for most hand tools. Available in 60mm/100mm/150mm lengths with black anti slip coating, the extension rod combines adaptability with secure grip in confined areas. Ideal for professional mechanics, enthusiasts, and technicians requiring transmission during repetitive fastening operations. Perfect for automotive repairs, machinery maintenance, and furniture assembly where standard tool lengths prove inadequate in tight spaces. The lightweight extension rod maintains tool stability while reducing hand fatigue during prolonged workshop or construction site use. Specifications: Component: High Speed Steel Size: 60mm/100mm/150mm Package Includes: 1Pc 1/4inch Shank Bit Holder note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.