7Pcs Hex Screw Allen Wrench Drill Bit Set 150mm S2 Steel Screwdrivers Allen Metric Hex Wrench Screwdriver Allen Bits with Magnetic TipDescription:1.【Allen Wrench Drill Bit Set Includes 7 Most Popular Metric Sizes】 3mm,4mm,5mm,6mm,8mm,10mm,12mm. Shaft Parts Kit: 6.35mm/1/4", Length: 150mm2. 【High Quality】Heat-treated, durable, has high hardness, not easy to wear.3. 【Professional Allen bit set is made of S2 alloy steel, very well made and durable as nails】- The hardness can reach HRC60 degrees. Hex wrench set fits electric drills with variable speed device, electric screwdrivers, handheld screwdrivers.5. 【Magnetic Bits & 150mm Length】- The hex screwdriver set is a little magnetic, which helps to keep the nuts and bolts glued to them. 150mm length, longer than market, more practical and comfortable. Specification: Material: S2 Stainless Steel Color: Silver Upper: 1/4 Inch Hex Head Length: 150mm Size: 3mm,4mm,5mm,6mm,8mm,10mm,12mm Quantity: 7pcsPackage Included:7pcs ScrewdriversNote:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.