B-Line Eaton series Grip Strut four diamond plank, 120" Grating length, 9.5" Grating width, Steel, 2" Channel size, Plain, Grip Strut, 12 gauge steel

Yes. The four diamond Grip Strut plank is listed as OSHA compliant and is intended for safe, sturdy footing where a non-slip surface is required, which is the usual reason it gets specified for catwalks, platforms, and mechanical room access routes.

It is 12 gauge steel with a plain finish, meaning bare, uncoated steel. That is fine for dry interior use such as mechanical rooms, equipment platforms, and indoor catwalks. Outdoors or in a washdown or corrosive area, plain steel will rust and you should be looking at a galvanized or stainless version instead.

The plank has a 2 inch channel, and its overall height is 2 inches, so allow at least 2 inches of depth below your finished walking surface for the plank itself plus whatever your support members take up. The 2 inch formed channel is what gives the plank its span stiffness between supports.

No fasteners or hold-down clips are included with the plank. It is supplied as the formed 120 inch four diamond plank on its own, so you also need to order the hold-down hardware or clips suited to your support framing, and plan the support spacing before you buy.

Order Eaton B-Line part number 42012 10 BL. That is the four diamond plank, 12 gauge plain steel, 120 inches long, 9.5 inches wide, with a 2 inch channel.

Grip Strut is a formed plank with punched diamond openings whose raised edges bite into boot soles, so it is the pick where footing safety is the driver: ladder platforms, equipment access catwalks, stair treads. Bar grating is a better fit where you need high uniform load capacity across a wide bay or maximum drainage and light pass-through. For a walkway where slip resistance and OSHA compliance are the point, the four diamond plank does the job at 9.5 inches per piece.