3 Pcs Magnetic Bit Holders Screwdriver Bit Long Extension Bar Quick Change Tools 1. High Quality and Brand new. 2. Designed for 1/4" Hex Shank Bits 3. Extra-Strength Magnet Holds Bits Securely 4. Package Included: 1 x 75mm Magnetic Extension Extend Extendor Drill Bit Holder 1 x 100mmMagnetic Extension Extend Extendor Drill Bit Holder 1 x 150mm Magnetic Extension Extend Extendor Drill Bit Holder