Feature:1. Glossy Operation: The flexible shaft extension cord has a high concentricity of the shaft joint, and the carving is not easy to shake, and the operation is stable and safe2. Convenient and Practical: Insert the wrench into the plug to jam the drive shaft, and then the grinding head can be loosened and replaced3. Thread Specification: The clamping range of the flexible grinding shaft extension cord is 3mm, and the joint thread specification is 19x2mm4. ABS Material: The electric drill flexible shaft is made of ABS material, which is wear resistant and durable, and has a long service life5. Scope of Application: The drill drive extension shaft is suitable for fine polishing, engraving and sanding operations, deep into narrow spacesSpecification:Item Type: Drill Drive Extension ShaftMaterial: ABSClamping Range: Approx. 3mm/0.1inConnector thread specification: Approx. 19 x 2mm / 0.7 x 0.1inPackage List:1 x Drill Drive Extension Shaft 1 x Hex Wrench