Features: The magnetic impact screwdriver bits set is designed for heavy duty use with impact driver, providing greater impact resistance and a longerlifetimes. Made from S2grade steel, these impact bits are ultrastrong and compatible for any 1/4"hexfitment, ensuring optimaldurability and unbeatables break resistance. Idealfor professionals and diy enthusiasts who require reliable and long lasting impact screwdriver bits for their projects. Perfect for various applications such as equipment repairs, furniture assembly, and mechanical maintenance, providing efficient and precise screwdriving performances. The magnetic impact screwdriver bits set offer exceptional quality and performances, making it a must have tool for anytoolbox. Specifications: Material:S2 Size:Approx.25mm Size:Approx.50mm Size:Approx.65mm Size:Approx.70mm Size:Approx.90mm Size:Approx.150mm Package Includes: 1 Set Screwdriver Driver Bits note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.