Ocean Polyesters combination of heat tolerance and grip is provided by its combination of Aramid and Polyester. The stitched eyes are sewn by the experts at Rope Logic. Ocean Polyester is composed of a polyester/aramid sheath and a polyester core, its construction makes the rope highly abrasion resistant, grippy, and heat resistant. Boasting a long service life, Ocean Polyester is great value for money. This is an excellent cord for the professional tree climber. Tensile Strength: 5,000 lbs. (22.2 kN) Working Load Limit: 500 lbs. (2.2 kN)