BAMZOK 9pcs Magnetic Drill Bit Extension Hex Shank Screwdriver Holder Socket Quick Release Bar for Screws Nuts Handheld Driver

HIGH QUALITY CARBON STEEL: The screwdriver bit holder is made of high quality Carbon steel + CRV, which has high hardness, non-slip, large torque and durable. You can use them for a long time. EXTENSION TOOLS: Screwdriver bit holder is 1/4 Inch hex extensions are must-have accessory set for power drills and impact drivers, great for extending all kinds of screwdriver bits, drill, batch head, screwdriver head conversion uses. MAGNETIC DESIGN: Magnetic Bit Holder Extension Shank built in magnetic, quick release will greatly improve work efficiency which allow you finish your work more easy and quick. It can be wonderful choice for daily fixing or install works. WIDE APPLICATION: Quick release magnetic bit holder is suitable for electric screwdrivers and used in engineering, machinery, maintenance of household appliances and other production lines.Ideal for working on vehicles, bicycles & furniture and so on. HIGH VALUE PACKAGING: You will get 9 Magnetic extension drill bits in three sizes, length includes 50mm, 100mm and 150mm which can meet your various needs.