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10www.directmetals.com800.711.4939Grate-Lock™ Gratingfor Mezzanine Flooring, Signboard Walkways, Inspection Work Platforms, Trench Covers, and Rack DeckingGrate-Lock™ Non-Slip GratingSystem Components - Plank SectionsWidths 3", 4"* 6" 9" 12"Heights 1½"** 2½" 3" 4"Gauges 18 16 14Lengths 12', 20', 24'(Other Lengths Available) *3" and 4" ller plank is solid. FM interlock.**The 1-1/2" product differs in rung detail and loading capabilities. GRATING MATERIALSTYPE: Grate-Lock™ GratingMETAL: (carbon steel)(G90 Electro-galvanized steel)FINISH: (mill-galvanized before fabrication, ASTM A525)METAL GAUGE: (14-ga. steel) (16-ga. steel) (18-ga. steel)SECTION WIDTH: (12")(9")(6")(3", 4"-supplied by FM ange only)CHANNEL HEIGHT: (1-1/2")(2-1/2")(3")(4")STANDARD LENGTHS: 12', 20', 24' (other lengths to order)FLANGE OPTIONS: (FM)(MM)(FF)SURFACE CONDITION: (MG-traction grip)(MS-smooth)SAFETY GRATING