Cast Metal Break - satin brass finish

2-5/8" ht, 2-1/4" bottom, 7/8" top - satin brass antique - cast metal break

(white metal also called pot metal)

bottom is hollow, side is ribbed (it is meant to slip over a pipe stem)

The bulge is 

2-1/2" in diameter

2-5/8" tall

2-1/4" bottom

7/8" top

9/16" hole at top