Durable CrV steel construction: These long hex socket bits are made from grade CrV steel, delivering wear resistance, strength, and the ability to withstand pressure with no deformation or breakage. Extended reach and compatibility: An extended screwdriver drill bit and socket combination tool with a 1/4 inch hex shank and a 60 mm extension rod. This design provides added reach to meet a variety of fastening needs. Readytouse kit: Includes 10 pieces of hex socket bits that fit power tools, making them suitable for a range of applications in furniture installation, mechanical maintenance, and woodworking projects. Secure magnetic retention: The bit holder uses a permanent magnet design to ensure strong absorption, keeping the bit holder firmly attached to the drill bit and securely grasping bits and fasteners during use. Practical use scenarios: Assembling flatpack furniture where reach and reliable bit retention are important. Installing hardware and fittings in cabinets, doors, and panels with tight spaces. Performing routine mechanical maintenance or woodworking tasks that require durable, strength hex bits with secure bit retention.