... .5-2.5m steel grating shelves ISO 9001:2008 with 10 years factory Material: Mild (low carbon) steel or stainless steel ... /8'', 11/2''x1/8''etc 2Bearing Bar Pitch12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 32.5 ... , 80mm etcUS standard: 19-w-4, 15-w-4, 11-w-4, 19-w-2, 15-w-2 etc. 3Twisted Cross Bar ...