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Material : Pre-galvanized steel 11 gauge and 13 gauge. hot rolled, pickled and oiled carbon steel 11 gauge and 13 gauge, stainless steel 11 gauge and 13 gauge
Standard Length : 24", 30", 36" and 48" lengths.
Standard Width : 5"-2 holes, 7"-3 holes 10"-5 holes and 12"-6 holes
Channel depth : 1-1⁄2" and 2" channel heights.
Intermediate stringer : For stair treads, intermediate stringer is recommended for spans over 4 feet.
Perf-O Grip carrier plates : Carrier plates allow you to create your own custom stair treads. They are sold by the pair. (2 plates = one pair).
End types : The end of our Perf-O Grip Stair Tread has two types, one is bending 4 sides, the other type is welding carrier plates on ends.