3M 2206 METAL WRIST BAND, FIXED SIZE, MEDIUM, BLACK Review July 5, 2018September 2, 2018 - Scorpeon These straps feature SpiedelĀ® metal expansion bands for durability. Each link is capped with an insulative metal cap. Specifications Conductors: 1 Snap: 1/8″ (4mm) Black Metal wrist strap, no coil cord, Medium