Features: 6.35mm handle screwdriver connection, which can connect 1/4 batchs head, is convenient and quick to change tool and improve work efficiency. Crafted of high qualitys materials, Precisions machining to ensure the closeconnection between the joint and the batchs head; Suitable for screwdriver and power tool. Suitable for professionals and DIYer enthusiasts in the field of home maintenance, mechanical maintenance and woodworking. Can be widely used in homes decoration, car maintenance, furniture assembly and other scene to meet the different needs of screwdriver conversion. None magnetic, the batchs head can be fixed by directly inserting it with force. Specifications: Material:Plastic+Metal Size:Approx.12x3cm/4.72x1.18inch Cutter head specification: 1/4interface Applicable screw diameter: 6.3mm Package Includes: 1pcs 1/4 Screwdriver Handle note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.