Feature: 1. TAPPING SET: Including a tapping shank and 7pcs tapping chuck, with different specification sizes, and suitable for different tapping situations. 2. ALLOY STEEL: Made of excellent alloy steel material, with high strength and hardness, wear and corrosion resistance, and has a long service life. 3. REASONABLE DESIGN: On the end face, there are jaws that engage with the machine tool spindle, and there are steel ball, spring and compression screw on the shank. 4. SAFE OPERATION: The tapping kit has fast change and anti overload protection functions, safe and reliable in operation, and reduces labor strength. 5. GOOD PROTECTION: When the tap reaches a certain torsion, it will automatically slip, preventing the tap from breaking, and protecting the workpiece and the tap. Specification: Item Type: Tapping Chuck Set Material: Alloy steel Tool Holder Model: GT24 MT5 Chuck Model: ISO GT24 M12, ISO GT24 M14, ISO GT24 M16, ISO GT24 M18, ISO GT24 M20, ISO GT24 M22, ISO GT24 M24, Tapping Range: M5-M30 Package List: 1 x Tool Handle 7 x Chucks 2 x Keys 1 x Wrench 1 x Storage Box Note: When using it, take safety precautions and match the appropriate model size.