Since 1983, Tenacious Holdings, Inc. (dba Ergodyne, a Klein Tools Company) has pioneered the development of products that Make The Workplace A Betterplace™. What started with just one product has grown into a line of top flight, battle-tested, Tenacious Work Gear®; all precision crafted to provide protection, promote prevention and manage the elements for workers on job sites the world over. The current lineup is extensive and constantly growing: ProFlex® Hand Protection, ProFlex® Knee Pads, ProFlex® Supports, Skullerz® Head & Face Protection, Skullerz® Eye Protection, Trex® Traction, KREW'D® Skin Protection, Chill-Its® Cooling Products, N-Ferno® Warming Products, GloWear® Hi-Vis Apparel, Squids® Lanyards, Arsenal® Equipment Storage Systems, SHAX® Portable Work Shelters.
