Feature:1. The maximum load speed of the flexible shaft is 800012000rpm, high efficiency.2. Suitable for most rotary tools, such as for 3000 4000 electric drill and so on.3. Premium carbon steel handle suitable for different drill bits, antislip and can provide more stability.4. Accurate chucks can firmly hold the bit more securely, stable and excellent performance.5. M19 x 2mm thread makes it suitable for different electric drills, widely applications.Specification:Condition: 100% Brand NewItem Type: Flexible ShaftMaterial: Carbon steel + rubber hoseLength: Approx. 1.1m / 3.6ftThread: M19 x 2mm / 0.08in (suitable for all kinds of small electric drill)Comes with 3.2mm chuck + hex wrenchFlexible Shaft Using Tips:1. Because the flexible shaft steel wire core rotates at high speed in the flexible shaft sleeve, high speed friction will make the inner wall of the flexible shaft heat, the higher the speed, the flexible shaft wear is about severe, the more severe the heat will be, and even damage the flexible shaft shell.Advice:1). Do not use the flexible shaft drive for a long time to grind the work, and stop for a rest every 10-15 minutes.2). Try to reduce the bending degree in the use of flexible shaft, and try to maintain linear transmission.3). Do not overload operation, increase the friction heat generation of flexible shaft4). After using for a period of time, drop some oil along the flexible shaft for lubrication and heat dissipation.2. After the flexible shaft is connected with the body of the electric mill, please do not disassemble..Package List:1 x Flexible Shaft1 x Hex Wrench