Tethering Sets Tethering sets for working at height are available here. Tether, adapter straps, and carabiners are included in the set. The individual elements come together to form a versatile system with a wide range of connection options that will keep you and your equipment safe no matter what.From building construction to industrial climbing, the tool protection system has a wide range of uses. Dropped tools can become a hazard if they are not tethered. Tool tethers should be utilised in any situation where fallen tools could injure team members or cause harm to equipment or the environment.Secure Tools are a well-known supplier of durable and economical solutions.