Screwdriver Bit Holder Set of 9 Imperial Socket Drill Bits from 5 to 13 mm with Impact Nut for 1/4" Hex Shank Drill

Made of chrome vanadium steel for long life and durability. Solid internal hexagonal socket, non-magnetic. This screwdriver bit set fits most corded and cordless drills for hexagonal head screws. 9 hexagonal sockets: 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm. Numerous applications. Suitable for home DIY, woodworking, automotive parts, professional machine repair, etc. This is a set of four durable reducing and increasing adapters. The heavy-duty chrome-vanadium steel construction is designed for use with ratcheting wrenches. A black oxide finish makes each piece corrosion-resistant and very durable. The spring-loaded ball stop keeps your sockets fixed and secure. There is a range of sizes to fit many socket or wrench combinations, including 1/2" (M) to 3/8" (F), 3/8" (M) to 1/4" (F), 3/8" (M) to 1/2" (F), and 1/4" (M) to 3/8" (F). Specifications: -Material: Chrome vanadium steel -Surface finish: Electroplating, blackening -Hardness: 45±2 (HRC) -Color: Black -Size: 1/2" (male)-3/8" (female) 3/8" (male)-1/4" (female) 3/8" (male)-1/2" (female) 1/4" (male)-3/8" (female) Package contents: 1 x Set of 4 adapters