Self-locking grating with 8 mm slots, galvanized, 10/10 A 15., Self-locking grating with 6 mm heelguard slots, galvanized, 10/10 A 15., Self-locking grating with 8 mm slots, AISI 304 stainless steel, 8/10 A 15., Pressure-locked grating, 33x11 heelguard mesh, galvanized B 125., Ductile iron inlay grating B 125., Ductile iron inlay grating with 6 mm heelguard slots C 250., No grating required.