Quick replacement tool holder is the main accessory of machine tools, widely used in end face, cutting, drilling, reaming, boring, etc. It has the advantages of fast tool replacement, high accuracy, and high hardness Specification. The set includes a full range of tool holders to meet diverse machining needs, covering 250-111, 250-101, 250-102, 250-104, 250-107, 250-110, and 2 pieces of 250-101T (including 2 oversize AXA Style 1 turning and facing holders) Ultra - Efficient Quick Tool Change: Equipped with a user - friendly handle - operated mechanism, the tool post set enables users to securely fasten or release the lathe tool holder in just seconds by simply turning the handle. This significantly shortens the tool replacement time, eliminates tedious manual adjustment steps, and greatly improves the overall workflow efficiency of the workshop Convenient & Precise Height Adjustment: The set features an adjustable height design - with a simple rotation of the dedicated adjustment screw, users can easily fine - tune the height of the tool holder. This allows for effortless and precise alignment of the tool, ensuring consistent and outstanding machining accuracy in all lathe processing tasks, whether it's turning, facing or other operations Superior Durability for Long - Term Use: Made of high - grade cast iron material with excellent mechanical properties, the tool post and its matching holders can withstand daily frequent use with minimal wear and tear. It maintains stable performance even under long - term machining workloads, delivering reliable functionality for years and reducing the need for frequent replacement of workshop equipment Hassle - Less & Time - Saving Installation: The tool post set supports quick and easy installation that can be completed in just a few simple steps, without the need for complex tools or professional technical skills. It not only saves valuable installation time for users but also enhances the stability and precision of lathe machining after installation, making it an ideal upgrade accessory for both home workshops and professional machine shops.