Patented (US patents 6,052,053 and 6,205,408) 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. Use with resistive loop technology continuous monitor. Continuously verifies the proper resistance to ground of the operator. Fixed sized bands available in three sizes. Durable metal band. Long wearing, easy to clean.