3 mm Dyneema® primary line with a spliced loop on one side for easy attachment. Comes with a 4 mm DB-Racing secondary control line, consists of a Dyneema® core and Technora / Polyester cover for ultimate durability and grip. Cut at ideal length for direct use and the ability to add a loop handle or braided handle. Laser® is a registered trademark of Velum Limited and Performance Sailcraft Australia Ltd.This product is compatible with Laser® but is not an original Laser® product.