1/4 Inch Hex Shank Quick Release Screwdriver Magnetic Bit Holder with Adjustable Collar Extension Bar 60mm 100mm 150mm Specification: Brand new and high quality Hex Shank: Approx. 1/4"(6.35mm) Length: Approx. 60mm/100mm/150mm Quantity: 3Pc Note: Please allow 1-2mm errors due to manual measurement Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same