Ergodyne Squids Extendedsingle carabiner has strechcord surrounded by tubular nylon web construction with lock stitching at both ends for added safety. Aluminum carabiner offers easy tool attachment with adjustable barrel lock. Tool Lanyard-Extended Single Carabiner. Stretch cord surrounded by tubular nylon webbing. Lock stitching at both ends for extra security. Aluminum carabiner. Adjustable barrel lock for tool attachment. Maximum safe working capacity: lbs. (4. 6 kg). Extended 42" - 54" (107cm-137cm). Color: Black. Black. Connection: Signle carabiner. Length: 42" - 54" (Extended). Load capacity: lbs. Material: Aluminum carabiner, nylon stretch cord. Application: Heavy construction, utilities, iron workers, carpentry, roofing, masonry, arborists, oil and gas and telecommunications. Tethers tools to help worker prevent injury, damage and lost productivity from dropped tools. Tool lanyards are easy to use, affordable and durable. Ergodyne Squids Extendedsingle carabiner with lbs of maximum working capacity is ideal for heavy construction, utilities, ironworkers, carpentry, roofing, masonry, arborists, telecommunications, oil and gas.