Side by side.

Specification	SD-1450-110-T SD-1450-110-T Quote
Width	0.670"
Height	1.080"
Flange	0.529"
Material	PVC
Second material	Rubber
Type	Sponge
Durometer	80 Shore A
Colour	Black
Texture	Leather Grain
Mount	Push On
Bulb position	Top
Core	1.4in Stamped Steel

Spec sheets live on each part's page.