supply of 1kw capacity cooking coil1kw capacity cooking coil,1kw capacity cooking coil made out imported incoloy, with steel ring, operating voltage 230-volts a c, confirming to is:4159(latest) hot plate diameter 5.5 (inches), 3 coils having inner diameter 5.5 (inches) and o uter diameter up to steel ring 7 (inches) along with suitable copper crimping sockets with isi mark, suitable for l hb hot buffet car pantry equipment confirming to edtd 118, rev- e, am-2. material make is theeta or alpha o r recold or airex. material shall procure from above said oem or his authorized dealers or valid proof of purchas e from oem/ dealers required. [ warranty period: 30 months after the date of delivery ]