Used with #B17ALA and #B17ARA Handled Rope Clamp Ascenders for progression on a rope. Asymmetrical Y-shaped for ease of movement. Can connect short or long, depending on progression needs. The two arms allow the user to remain connected to an anchor when passing intermediate anchor points. The ends are equipped with a device which holds the connector in place and protects the webbing from abrasion. Sewn, flat webbing for more resistance to abrasion and wear.THIS IS NOT AN ENERGY ABSORBING LANYARD. Short arm length: 11.81″. Long arm length: 23.62″. Weight: 3.17 oz.