B517

*High-quality Solvent-Free Silicone Leather 
*High-quality pu moulding foam back and seat 
*High-density plywood frame 
*5D Adjustable nylon armrest 
*4 positions tilt & lock mechanism
*Class 4 gaslift with 100mm lifting range 
*350MM aluminuimbase legs 
*60mm Silent casters