10-M-A
Specifications:
Height: 3 3/4"
Top: 1" X 1"
Bottom: 1 1/8" X 1"
 
10-M-B
Specifications:
Height: 3 1/2"
Top: 1 1/2" X 1 3/8"
Bottom: 1 3/8" X 1 1/4"