Catalog: Parts: Tile, Round, Decorated: 4150ps4: Color Images
Tile, Round 2 x 2 with Fine Mesh Grille Manhole Cover Pattern
Light Bluish Gray
by mfav
Light Gray
by Clark

Part Color Codes:

 Color  Code  By 
 Light Bluish Gray  4221881  1  hazelsden 
 Light Gray  4140520  1  here4bricks614