wedges and anchor for prestressed concrete Parts: anchor, wedge, block, spiral, duct payment : ... different Description: post-tensioned prestressed anchorage system; stressing / tensioning accessories for single / multi PC strandsProducts: round anchor, flat/slab anchor, ... oil pump power pack, swaging machine etc. Components: anchor head/plate/ring, 2/3pcs grips/wedges, block/backing/base/bearing ...