WB1600 Series Curved Buckle Wrist Strap. The band is standard with a 4, 7 or 10mm male snap or a 4mm machined post. The soft, blue woven fabric and curved buckle of the WB0016 wrist band allows the skin to breathe and makes it very comfortable to wear. The WB0016 uses hypoallergenic silver-plated nylon thread for conductivity and has a maximum resistance of 160 ohms. Meets or exceeds requirements of ANSI ESDS20.20 and ESDA Standard 1.1-2006