... strength,high toughness 2.strong impact resistance 2011 New style GRC Decorative staircase baluster1. material1,Material:glass-fiber reinforce composite2,Hight ... .4,High quality with the most competitive Product Name GRC decorative Bracket,Moulding,Column,Relief MaterialGRC Color Gray Application Construction ... InstallationFix with metal clips or screws 2011 New style GRC Decorative staircase baluster