Features: Strong magnetic: The batch head with strong magnetism is able to firmly attach screws and remain stable during operates improving work efficiency. Antislip ：From antislip component, it increases the grip and reduces the risk of sliding, ensuring a safe and stable using experience. Highly hardness： the batch head is from highly hardness , wear-resistant not easy to deform, suitable for long time and highly intensity use. Crosshead Bit :suitable for tool such as electric drills , convenient for tightening and loosening screws. Multiple function use: it can be widely used for home decoration, machinery maintenance, woodworking and other fields, providing users with a variety of options for use. Specifications: Componnet： Steel Size: As PIctures Quantity： 1Set Package Includes: 1Set Strong Magnetic Screwdriver Bits Set note: Please allow 0-1cm error due to manual measurement. please do not mind before you bid. Due to difference between different monitors, the picture may not reflect the actual color