supply of high back chairhigh back chair,high back chair. specifications as below; 1) size: over all (width) 640 mm x (depth) 670 mm x (height)1100 mm 2) seat dimension : (w) 500 mm x (depth) 530 mm-550 mm 3) seat made of injec tion molded glass filled polypropylene 4) mesh fabric seat upholstery made of nylon/high tenacity yarn 5) 3 60 degree revolving 6) tilt tension control 7) self weight multi-locking mechanism 8) arm rest made of pol ypropylene 9) adjustable arm rest 10) chrome plated metal base 11) 5 nos. of twin wheel nylon castors 12 ) adjustable lumbar support 13) 5 years of warranty to be provided [ warranty period: 60 months after t he date of delivery ] ] , high back chair specifications as below; 1) size: over all (width) 640 mm x (depth) 670 mm x (height)1100 mm 2) seat dimension : (w) 500 mm x (depth) 530 mm-550 mm 3) seat made of injec tion molded glass filled polypropylene 4) mesh fabric seat upholstery made of nylon/high tenacity yarn 5) 3 60 degree revolving 6) tilt tension control 7) self weight multi-locking mechanism 8) arm rest made of pol ypropylene 9) adjustable arm rest 10) chrome plated metal base 11) 5 nos. of twin wheel nylon castors 12 ) adjustable lumbar support 13) 5 years of warranty to be provided [ warranty period: 60 months after t he date of delivery ] ] , high back chair specifications as below; 1) size: over all (width) 640 mm x (depth) 670 mm x (height)1100 mm 2) seat dimension : (w) 500 mm x (depth) 530 mm-550 mm 3) seat made of injec tion molded glass filled polypropylene 4) mesh fabric seat upholstery made of nylon/high tenacity yarn 5) 3 60 degree revolving 6) tilt tension control 7) self weight multi-locking mechanism 8) arm rest made of pol ypropylene 9) adjustable arm rest 10) chrome plated metal base 11) 5 nos. of twin wheel nylon castors 12 ) adjustable lumbar support 13) 5 years of warranty to be provided [ warranty period: 60 months after t he date of delivery ] ]