wedges and anchor for prestressed concrete Parts: anchor, wedge, block, spiral, duct payment : L/C , T/T ... / tensioning accessories for single / multi PC strandsProducts: round anchor, flat/slab anchor, circle anchor, P-type / H-type dead anchor, coupler, duct and couple ... jacks, oil pump power pack, swaging machine etc. Components: anchor head/plate/ring, 2/3pcs grips/wedges, block/backing/base ...