The U-Boats are extruded from EPDM Rubber that is formulated to reduce or eliminate vibrations. Width: 1.5” (38.1mm) Height: 2.125” (54.0mm) Length: 2” (50.08mm) Thickness: Sides-. 313” (7.9mm); Base-. 5” (12.7mm) Color: Black High Quality: Made in the HSA What is EPDM?.
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