Made of high-strength aluminum alloy housing and wear-resistant plastic to ensure structural stability and durability under heavy use, ideal for professional repairs and harsh environments Features a control board with multiple speed switches for adjustable operations, allowing users to choose optimal speeds for different tasks in car repair, machine processing and DIY projects Equipped with a brushless motor for powerful and even performance that provides a wide speed range to handle various fastening and loosening applications with improved efficiency Specially designed for the Dayi 2106 brushless electric screwdriver, ensures seamless replacement and upgrade of original parts without compatibility problems, making maintenance easier Thoughtfully arranged buttons allow operations that can be quickly learned and effectively used by both professional technicians and DIY enthusiasts, Manufacturer: OSNIYAW