Features: Upgrades your tool collection with this set of 20PC hexagon screwdriver bit, perfect for wide ranges of mechanical tasks. Crafted from quality S2alloy tool steel, these durable and resistant hex tip ensure long lasting use. These hex screwdriver bit are suitable for engineers, mechanics, and DIY lovers who require reliable wrenches. From automotive repairs to furniture assembly, these versatile hex keys provide an efficient solution for tightening and loosening screws in different scenarios. Experience the convenience and reliability of these yellow hex bit, offering a practical tool for various mechanical applications. Specifications: Material:S2Steel Length:Approx.50mm/1.97in 1set/20pcs Magnetic Hexagon Screwdriver Bit with 1/4inch Hex Shank Metric Size:1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 5.0, 6.0, 7.0, 8.0 British Size: 5/64 3/32 7/64 1/8 9/64 5/32 3/16 7/32 1/4 5/16 Package Includes: 1set/20pcs Hexagon Screwdriver Bit note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.