Teknika heavy duty cord tensioner. Advanced, universal cord strapping tensioner. Easily cuts all types of cord strapping. Patented windlass mechanism. Innovative gripping mechanism grips and releases strap with a vertical motion. Minimal operator fatigue. High quality casting s enhanced durability. Original design provides for increased holding power and minimizes wear. Heavy duty cutter reduces force to be applied by the wrist and extends cutter life. Strap width: up to 3/4-inches. Lifetime availability of parts and service.