Side by side.

Specification	SD-168-500L SD-168-500L Quote
Width	0.780"
Height	1.500"
Flange	0.250"
Material	Rubber
Type	Sponge
Durometer	2A3 (sponge grade)
Colour	Black
Mount	Push On
Bulb position	Top
Core	SD-500L Spring Steel

Spec sheets live on each part's page.