Description PRODUCT : FOSO® Slotted Strut Channel-Pre Galvanize Material : Steel Size : 1-5/8″X1-5/8″ (41mmx41mm) Type : Slotted Thickness : 1.0mm-2.5mm length : 10ft./3 meter or 20ft./6 meter Finish : Pre-galvanized,Electro-galvanized, Hot dip galvanized,SS304,SS316