Ergodyne 24183 GloWear 8231TVK Hi-Vis Tool Tethering Safety Vest Kit - Type R, Class 2, Zipper, Dual Certified S/M (Lime)Ergodyne Ei 24183 The GloWear 8231TVK Hi Vis Tool Tethering Safety Vest Kit Type R Class 2, Dual Certified provides versatile tethering and storage options for working at heights. Intended for tethering tools under 2lbs, this safety vest is dual certified for both ANSI ISEA 121 and ANSI ISEA 107 compliance. Unlike other hi vis vests worn underneath fall protection harnesses, this surveyors vest is designed to be worn over the top of the system. This