Hardwood Finial in 2 sizes.

Available in your choice:  Maple, Oak, or Cherry.
Bedpost, Stair or Craft Finial.
Really nice large finial available in 2 sizes. 
4 3/8 inches tall and 5 1/2 inches tall.

SMALL:
Smaller finial is 4 3/8 inches high (not counting the mounting screw)
It is 2 3/4 inches in diameter. 2 3/4 inch ball.
The base measures 2 3/4 inches.
There is a 5/16 inch attached mounting screw - 1 inch Long.

LARGE:
Larger finial is 5 1/2 inches tall.
It is 3 1/2 inches in diameter. 3 1/2 inch ball.
The base measures 3 1/2 inches.
There is a 5/16 inch attached mounting screw - 1 inch Long.