5/8" (16mm) KMIII sewn eye adjustable friction saver (AFS) featuring Notch Wear Safe steel rings. 12" friction prusik included. Easy to install from the ground or within the crown. Adjustable rope friction savers are gaining popularity for the versatility and ease of use. This latest iteration is constructed with 5/8-inch KMIII Green static line. The pruslik is 3/8" Stable Braid with a small steel ring. 10 foot length.