... , B ,CSO 9001-2000 grating clips, grating clamp, grid clip, saddle clip, steel clipNingbo Lihong ... 32x5, 40x5, 50x5, 65x5, 75x6, 75x10---100x10mm etcI bar: 25x5x3, 30x5x3, 32x5x3, 40x5x3 etcUS standard: 1''x3 ... -w-2 etc. (Mr. David Huang) 3Twisted Cross Bar Pitch38.1, 50, 60, 76, 80, 100, ... ) 6Grating StylePlain / Smooth, Serrated /teeth, I bar, serrated I bar (Mr. David Huang) 7StandardChina: YB/T 4001 ...