... . Model: Single Anchor & Multi Anchor8. Parts: Anchor,Wedges,Bearing Plate,Spiral Bars,Ducts,Coupler9. Anchor: Round10. Anchor Ring: φ117*4711. Wedges ... , M6, M5 apply to 7.0mm, 6.0mm, 5.0mm spiral ribbed pc wire.6. Parts: anchor ring/plate, wedge, base plate ... , spiral bar, bellow/corrugated pipe etc.7. Function: Prestressing method is ...