1)Material: Mild steel or stainless steel 2)Bearing bar size: 20 x 3mm up to 90 x 7mm 3)Bearing bar pitch: 30, 40, 60, 12.5譔 (N=1~8) mm 4)Cross bar pitch: 50, 100 mm 5)Bearing bar type: plain, serrated, I-section 6)Surface treatment: Untreated, painted, mill finished, or hot dip galvanized 7)Customized specifications also available per clients' requirement.