Secure sleeve and leg iron connection. 2 slotted hex-head bolts with lock washers and barrel-type nuts join the steel sleeve and leg iron together. Steel split ring secures ankle strap in place and allows for quick replacement. Klein Tools has been providing occupational protective equipment to linemen since the first telegraph poles were strung. Klein components should not be interchanged with components made from other manufacturers because Klein cannot guarantee that those components are properly designed or are free of defects in materials or workmanship.