ITEM NAME:5pcs Nut Driver Socket Set 1/4" Hex Drive Metric 10mm Drill Bits Description: The bell-shape and magnetic hex insert allow the bit to hold the bit securely in place for quicker installations. Designed and engined for long life and good durability for operating. Used in manufacturing assembly systems and others. Fits all power drills, screwguns, cordless and magnetic drivers Sandblasted, chrome vanadium steel bits. Quick release hex shank will save you time. Specification: Material: Steel Diameter: 10mm/ 0.39 inch Length: Approx. 65mm/ 2.56 inch Hex Shank Size: 1/4" Package Includes: 5 Pieces of 10mm Hex Socket Magnetic Socket Adapter SKU: DMO0016437219349941.5 Pieces of 10mm Hex Socket Magnetic Socket Adapter. Hex Shank Size: 1/4". The bell-shape and magnetic hex insert allow the bit to hold the bit securely in place for quicker installations. Length: Approx.