1 Material: alloy steel,cast iron,strip steel 2. Application: prestressing works usage 3. Standard: ASTM/BS/JIS/GB/AS 1) Types: multi stressing system2) Items: round tension anchorage.3) Parts: anchor, wedge, bearing plate, spiral, duct, coupler etc.4) Material: alloy structure steel, casting iron, strip steel etc.5) Models suitable for: PC strands 1x7 - 9.3, 9.53, 12.5, 12.7, 12.9, 15.2, 15.7, ...