Side by side.

Specification	SD-340-T SD-340-T Quote
Width	1.000"
Height	0.725"
Material	Rubber
Type	Sponge
Durometer	2A4 (sponge grade)
Colour	Black
Mount	Tape
Tape	3M Heat-Activated Tape
Industries	Emergency Vehicles

Spec sheets live on each part's page.