Item Name: Fixer Universal Fixing Fixture Screw Fixer Drill Screw Holder Bit Fixing Sleeve. Assist novices to meet the problem of off-center when screwing, and improve work efficiency.Material: ABS plasticDimension: 40*18*15mmSuitable for batch heads with handle diameter of 6-8mm.Small, light and portable.The screw fixer avoids holding screws, which improves the safety at work.Packing:3PCs Due to the difference between different monitors,the picture may not reflect the actual color of the itemPlease allow 0.1-1cm differs due to manual measurement,thanks *Please make