supply of 1kw capacity cooking coil made out imported incoloy, with steel ring.1kw capacity cooking coil made out imported incoloy, with steel ring.,1kw capacity cooking coil made out imported incoloy, with steel ring, operating voltage 230-volts ac, confirming to is:4159(latest) hot plate diameter 5.5 (inches), 3 coils having inner diameter 5.5 (inches) and outer diameter up to steel ring 7 (inches) along with suitable copper crimping sockets with isi mark, suitable for lhb hot buffet car pantry equipped confirming to edtd 118,rev-e,am-2. material make is theeta or alpha or recold [ warranty period: 30 months after the date of delivery ]