20mm ball proof grating in mild steel to be used where the working platform or walkway is above a place where people are working (as opposed to people passing under occasionally). The maximum openings shall not permit the passage of a 20mm diameter sphere.

This open steel flooring 23/100 grating is typically used on walkways above machinery and permanent working areas where the risk to personnel from large objects falling from above is critical.

Bar is 30 x 5mm