supply of heavy duty double polyester webbing slin [heavy duty double polyester webbing sling with standard eye loop at both ends per is: 15041-2001, bs en 1492-1-2000 each sling should be isi marked & supplied with test certificate from govt. approved test house, capacity-03 ton, length-4 mtr., width-75mm, thickness - 12mm.] , heavy duty double polyester webbing sling with standard eye loop at both ends per is: 1504 1-2001, bs en 1492-1-2000 each sling should be isi marked & supplied with test certificate from govt. appr oved test house, capacity-03 ton, length-4 mtr., width-75mm, thickness - 12mm. [ warranty period: 24 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]