This flexible shaft is compatible with cordless drills and electric screwdrivers. The flexible shaft head accepts hexagonal shank (1/4") screwdriver bits and is ideal for use in tight spaces such as computer cases, electrical cabinets, furniture, and appliances where standard screwdrivers cannot operate effectively. Features: - Made of metal for durability and portability - Flexible outer shield helps protect hands while the inner shaft rotates - Fits hex screwdriver or cordless drill shank with 6.35mm (1/4") diameter - Shaft can bend up to 300 degrees for enhanced maneuverability - Bit holder securely holds fasteners and bits during operation - Designed to bend, twist, and turn for access to confined areas Specifications: - Material: Metal - Hex Shank: 6.35mm (1/4") - Inner Hexagonal Head: 6.35mm (1/4") - Total Length: 300mm (11.81") or 400mm (15.74") (optional) - Quantity: 1 - Weight: Approx. 99g (300mm) or 129g (400mm) Package Includes: 1 x Flexible Shaft Extension Bit Holder Note: 1. Please allow 1-3mm error due to manual measurement. 2. Monitors are not calibrated the same; color may vary slightly from the actual product. Please refer to the physical item for accurate color.