Samson Blue Streak. A popular 16-strand climbing line designed to give the modern arborist a high strength, low stretch rope. Samson weaves a specially treated polyester cover over a stabilized nylon core to give Blue Streak its amazing "non-milking" qualities. This means you don't need to trim the line's cover after using a friction hitch. Easily identified by its alternating blue and white strands. Sold per metre. Features: Fiber: nylon core, polyester cover Low stretch Maximum firmness for all climbing techniques High visibility in trees Full size 1/2" diameter makes for an easy grip Excellent knot-heat resistance Maintains excellent service flexibility Spliceable at both ends Specifications: Diameter: 1/2" Tensile Strength: 7,000lbs (3,175kg)