supply of manufacture and supply of 6 mm thick nylon cord reinforced grooved rubber sole plates for 60 kg 1 in 8.5 to switches [ t-4865 ] , specification: irs / t-55 / 2023 with latest alterations. the term latest alterations wherever used will be mean the alteration up to the actual date of opening of tender. [ warranty period: 30 months after the date of delivery ] , manufacture and supply of 6 mm thick nylon cord reinforced grooved rubber sole plates for 60 kg 1 in 8.5 to switches [ t-4865 ] , specification: irs / t-55 / 2023 with latest alterations. the term latest alterations wherever used will be mean the alteration up to the actual date of opening of tender. [ warranty period: 30 months after the date of delivery ] , manufacture and supply of 6 mm thick nylon cord reinforced grooved rubber sole plates for 60 kg 1 in 8.5 to switches [ t-4865 ] , specification: irs / t-55 / 2023 with latest alterations. the term latest alterations wherever used will be mean the alteration up to the actual date of opening of tender. [ warranty period: 30 months after the date of delivery ] , manufacture and supply of 6 mm thick nylon cord reinforced grooved rubber sole plates for 60 kg 1 in 8.5 to switches [ t-4865 ] , specification: irs / t-55 / 2023 with latest alterations. the term latest alterations wherever used will be mean the alteration up to the actual date of opening of tender. [ warranty period: 30 months after the date of delivery ]