Features:- Loop length can be adjusted.- Metal ring with anti-allergic stainless steel ring outer insulating layer, anti-friction.- Easy to use and flexible, long life and does not produce dust, can be used for more than 100 cleanroom environment.- Mainly for the production line staff and static index is high individuals within the scope of activities of production and easy to produce static electricity generated in their daily working lives high electrostatic potentialuse of "point discharge" principle, to achieve electrostatic collection and release.Specifications:Material: MetalCable length: AdjustableElectrostatic discharge time: 0.1sSurface resistance: less than 1*105Coiling wire: PU material sheath, 7-core copper-platinum wire inside, 1 megohm resistance current limitPackaged included:1 x Anti Static Wrist Strap Notes:1. Manual measuring, please allow 1 ~ 3mm error, thank you.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture.-