SashcoPre-Caulking Filler Rope Backer Rod Roll, 100' Length

Sashco 30251 Pre-Caulking Filler Rope Backer Rod Roll, 100' Length x 1/4" Width, Grey, 1/4" x 100'

Sashco-30501 Pre-Caulking Filler Rope Backer Rod, 1/2-Inch x 100-Feet, Grey

Sashco - 30381 Pre-Caulking Filler Rope Backer Rod Roll, 100' Length x 3/8" Width, Grey