3M(TM) Dual Conductor Metal Wrist Strap 2383, Includes Band and 5 ft. (1.5 m) Cord, Large Used exclusively with the 3M(TM) Workstation Monitor 724 and 3M(TM) Wrist Strap Monitor 725. The Dual Conductor Metal Wrist Straps 2300 Series are long lasting metal expansion bands for use in clean rooms and applications requiring extended band life.