ITEM NAME:Magnetic Screw Holder Finder Driver Drill Extension Extender Bit Holder 1/4" Hex Description Specification: Brand new Material: Plastic leather + Carbon steel + aluminum Shank diameter: 1/4inch (6.35mm) Color: as picture shows Quantity: 2pcs For the use of connecting the electric screwdriver, screwdriver, wind batch, sleeve, connector adapters, etc. Connecting outer hex into inner hex, magnetic, elongation oriented, non-slip. Size: Original length M ax. elongated length About 80mm About 120mm About 120mm About 200mm Package included: 1pc x 80mm drill bit holder 1pc x 120mm drill bit holder Note: Small parts not for children under 3 years. Please allow 1-5mm 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.Connecting outer hex into inner hex, magnetic, elongation oriented, non-slip. 1pc x 80mm drill bit holder. 1pc x 120mm drill bit holder. For the use of connecting the electric screwdriver, screwdriver, wind batch, sleeve, connector adapters, etc.