Feature:1. The magnetic interface is plug-and-play, which is fast and convenient to respond to various needs in the work2. Four units of data storage, easy to use, can meet your work demands3. Digital torsion driver is cost-effective, comprehensive and very practical4. Small size, easy to carry and store, easy to use and with good performance5. Strict quality control and quality assurance, high safety factor, can be used with peace of mindSpecification:Item Type: Digital Torsion DriverBattery: 2 AAA batteries (shipped without batteries)Operating Environment: Temperature 0-40 Storage Environment: -10-60 Model: ZNS-R-4Range: 0.4-4N.mDivision Value: 0.001N.mAccuracy: 2%The Nominal Size of Inner Six Parties: Approx. 6.35mm / 0.25in.Package List:1 x Bits Set (10 Pcs) 1 xDigital Torsion Driver 1 x Small Cross Screwdriver Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.