Here's a refined version of the description for the commercial-grade stair nosing:

This commercial-grade stair nosing is equipped with non-slip PVC inserts and integrated Vision LED lighting, offering CCT and RGB options in an 'AoNlight out' configuration. It is designed for optimal safety and aesthetics, featuring a standard length of 2.8m with customizable cutting and drilling services available. Optional end caps, such as the NECS50 in 81 Matt Silver, provide a refined finish.

The stair nosing is supplied in an anodized Matt Silver finish, with other finishes available upon request. It includes a frosted polycarbonate diffuser for excellent light dispersion.

Additional Information:

Feature    Details
Colour    Black Tredsafe, Dolphin Grey Tredsafe, White Tredsafe
Length    1.0m, 1.5m, 2.0m
Brand    Genesis
Size    77.5×48.5mm"

This version effectively communicates the features, customization options, finishes, and additional details about the stair nosing, providing clear information for potential users or customers.