supply of set of v belts of isosceles trapezoidal cross section , set of v belts of isosceles trapezoidal cross section consists of a suitable combination of elastomeric compound(s) with polyester cord reinforcement and outside polycot fabric coated with pol ychloroprene, the whole being moulded together in a uniform manner and shaped in accordance with the belt manufacturing practice. size c-3155 lp (c-122) conforming to rdso%u2019s specification no . rdso/pe/spec/ac/0059-2019 (rev.1) or latest. each set consist of 12 nos. of matched belts with gra des between 49 to 51 only. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]