3M Python -Hook2Hook, Coil Tether 10-Pack When not in use, the Hook2Hook Coil Tether stays out of the way with its relaxed length of only 5" When needed, the tether can stretch up to 62" The Hook2Hook Coil Tether is made from very durable materials able to better withstand heat and sharp objects in harsh work environments Both sides of the lanyard feature self-locking aluminum carabiners to help prevent against accidental opens Tool lanyard, coil tether, 5 lb (23 kg) capacity, single leg with self-locking carabiner hooks at both ends