supply of permanent magnetic yoke (rope type) , permanent magnetic yoke (rope type) to carryout magnetic particle testing (wet and dry met hod) as per. is: 3703/2004.the technical specification is given below; 1) lifting power : 20kg or more with p ole spacing 100mm.2)magnetic field: constant level.3)poles adjustment : 0-300mm. 4)tangential field stre ngth :minimum value of 30g.5)equipment weighs not more than 400grams.. note: item to be supplied alon g with calibration, test certificate and warranty certificate and equipment manual. as per specification is: 3 703/2004(copy enclosed) or latest make: orion/ferflux/ecci/magnaflux/pic /sims or equivalent [ warr anty period: 30 months after the date of delivery ] ]