1、The product has good clamping strength and accuracy, and good performance. 2、The tapping chuck can be changed safely and quickly, and the drill chuck extension rod can be connected, which is very convenient. 3、Can prevent the tap from breaking, the torsion type tapping chuck is very practically. 4、The taps have a quick‑change device, which saves time and effort to install and remove the tapping chuck. 5、Wide range of applications, can be used for tapping machines, drilling machines, milling machines, boring machines, electric tools, pneumatic tools, etc. 1 x Tapping Collet   Item Type: Tapping Collet  Model: GT24-iso-M24Material: High speed steelSpecification: M24Standard: Japanese standardM24 Suitable Tap Size:  Shank Diameter x Square: Approx. 18 x 14mm / 0.7 x 0.6inUses: widely used in tapping machines, drilling machines, milling machines, boring machines, electric tools, pneumatic tools and other equipment with reversible spindles.