Hard Hat Tether – 10 Pack. The 3M DBI-SALA Hard Hat Coil Tether allows for fast and easy tethering of hard hats. The compact coil tether stays out of the way of the user, while a patented clip grips harder and prevents deformation over extended use. Heavy-duty hard hat tether with 4 lb. (1.8 kg) load rating. Allows user to confidently add hearing protection or a face shield to your hard hat. Extremely simply installation and removal. Spring compression, ambidextrous design makes it easy to use with either hand. Helps ensure a secure attachment to further reduce the number of dropped hard hats.