supply of office medium back chair with seat and back cushion with synthetic leatheroffice medium back chair with seat and back cushion with synthetic leather,office medium back chair with seat and back cushion with synthetic leather with tilting sin cr ow mechanism gas lift heavy duty ss base nylon caster with finished. specifications as under; 1) seat dimension : (width) 510 mm x (depth) minimum 500 mm 2) adjustable lumbar support 3) active bio synch ro tilt mechanism 4) pneumatic /hydraulic height adjustments 5) mesh fabric seat upholstery for back rest - made of nylon/polyester fabric 6) 360 degree revolving 7) arm rest made of poly urethane 8) adjustable a rm rest up and down 9) aluminium die cast or chrome plated stainless steel pedestal base - five pronged 1 0) 5 nos. of twin wheel nylon castors of minimum diameter of 50 mm 11) 5 years of warranty to be provide d [ warranty period: 60 months after the date of delivery ] ] , office medium back chair with seat and back cushion with synthetic leather with tilting sin cr ow mechanism gas lift heavy duty ss base nylon caster with finished specifications as under; 1) seat d imension : (width) 510 mm x (depth) minimum 500 mm 2) adjustable lumbar support 3) active bio synchr o tilt mechanism 4) pneumatic /hydraulic height adjustments 5) mesh fabric seat upholstery for back rest - made of nylon/polyester fabric 6) 360 degree revolving 7) arm rest made of poly urethane 8) adjustable ar m rest up and down 9) aluminium die cast or chrome plated stainless steel pedestal base - five pronged 1 0) 5 nos. of twin wheel nylon castors of minimum diameter of 50 mm 11) 5 years of warranty to be provide d [ warranty period: 60 months after the date of delivery ] ] , office medium back chair with seat and back cushion with synthetic leather with tilting sin cr ow mechanism gas lift heavy duty ss base nylon caster with finished. specifications as under; 1) seat dimension : (width) 510 mm x (depth) minimum 500 mm 2) adjustable lumbar