UL. 1. Adjustable Fabric. Dual wire wrist strap from Menda. Dual wire wrist strap provides redundancy - even if one dual wire wrist strap conductor is severed, operator has reliable path-to-ground with other wire. Used with resistive loop technology to continuously monitor and verify proper resistance to ground of operator Comfortable and hypo-allergenic woven Silveron ;sup>TM ;/sup>fabric with silver-siffused monofilament conductive interior 304 stainless steel back Patented dual wire technology