Perfect for allowing climbers the ideal length adjustment, the Evolv Adjust positioning device has two adjustable arms to help keep you safe out on the mountain. . . . Materials made of nylon, aluminum, and thermoplastic elastomer. . The Adjust rope adjusters have an ergonomic shape that offers quick, precise adjustment. . Arms adjust from 15 to 150 cm.. . The connector is held in position by a rubber ring, to facilitate clipping. . Dynamic rope positioning device to reduce the force transmitted to the user in case of a short fall. . Used with two locking carabiners of the Spirit Screw-Lock type. . Attaches to the tie-in point(s) of the harness with a girth hitch. . 3342540100862 27883000012 L35ARD