Side by side.

Specification	SD-1160 SD-1160 Quote
Width	0.250"
Height	0.450"
Flange	0.130"
Material	PVC
Durometer	80 Shore A
Colour	Black
Mount	Push On
Core	.75in Stamped Steel
Industries	Metal and Fiberglass Fabrication

Spec sheets live on each part's page.