Here's what other sites are saying:
Free Shipping. Petzl Cordage 7mm Rope FEATURES of the Petzl Cordage 7mm Rope Semi-static cordage with low stretch Rugged construction Can be used to attach accessories, back up an anchor or make a Prusik-type friction hitch
Petzl Cordage line has a wide range of uses, from backing up anchors to tying prusiks or attaching gear, depending on its diameter.. . . Semi-static cord with low stretch. Rugged nylon construction. Weight: 31 g/m. Great for backing up anchors or making prusiks. Also available in 4 mm, 5 mm, and 6 mm diameters.