SAFE-T-SPAN 873310 - STAIR TREAD ISOFR 1 X 10 1/2 IN 2 1/2 FT - STAIR TREAD PULTRUDED I6010 ISOPTHALIC POLYESTER FIRE-RETARDANT RESIN (ISOFR) SURFACE GRITTED 1 IN THICKNESS 2 1/2 FT WIDTH 10 1/2 IN DEPTH YELLOW WITH BLACK NOSING BEARING BAR HEIGHT 1 IN...