Ergodyne - EGO70004 Durable, elastic wrist support limits downward (flexion) wrist movements to avoid further injury. The patented, Open-Center Stay reduces pressure on the median nerve to help you be more comfortable. Single-strap design features a three-stage, hook-and-loop closure to secure the support on your wrist. Machine-washable support also includes anti-odor treatment for continued, comfortable use. Use the ProFlex 4000 Single Strap Wrist Support in food processing, picking/packing and assembly/fabrication. Medium size fits right wrists from 6" to 7".