Smooth surface, usually called brushed stainless steel finish
Has cover ring at each end for clean appearance (covers mounting flanges)
Has slots for mounting to accommodate a variety of situations.
Photos take resting on 2"x 12" (11 1/4" wide) Lumber for size reference.
dimensions:
1-1/2" bar diameter
1-1/2" bar extension from wall
36" bar center to center
33 5/8" mounting holes left to right inside most (ideal for 16" on center studs)
38 3/16" mounting holes left to right outside most
2 3/8" mounting holes top to bottom
All measurements taken with a tape measure, are very close, not super precise.