Fill-rite 2 inch Diameter x 35 inches Long Backer Rod Closed Cell

Allows Easy Control Of Sealant Application Thickness Won’t Adhere To SealantsThickness Control Device For Elastomeric And Other Cold-applied SealantsPack Of 8 – 2 Inch Diameter By 35 Inches Long For A Total Of Approx. 24 Feet.Closed Cell Backer Rod Is A Round, Flexible, Closed Cell Polyethylene Foam