supply of rope type permanent magneticrope type permanent magnetic,rope type permanent magnetic yoke including standard accessories as per specification is: 3703/2004 & astm e709 & astm e1444. the technical specification is 1) lifting block: 22.5 kg (18kg + 4.5kg combo block) with minimum pole spacing 100mm, 2) magnetic field: constant level, 3) poles adjustment: 0-300mm, 4) tangential field strength: minimum value of 30 g, 5) shall be rugged construction for reliable magnetic inspection, 6) yoke carrying case-1no, 7) operations manual-1 no, 8) item to be supplied along with oem test & calibratio n certificate with nabl traceability, 9) makes: eeci/magnaflux/sims/itw signode/super mag ndt/dndt [ warranty period: 30 months after the date of delivery ] ] => limited