1. heavy duty piano hinges 2. power coating finish or electroplating plating finish ... width and thickness Price (USD)EX-worksFOB GuangzhouMaterialsteel,stainless steel,iron,brass,aluminium …Finishmaterial nature color,brushed,polished,mirror,colored zinc ... servicing, freight charges to be borne by shipper black colour heavy duty piano hinge iron material for competitive price