With high-visibility vials and precision-machined surfaces

and general debris down to 5 microns

large back pockets

7-Inch Length: With a 7-inch length

Recommended for bulk applications with water based materials

ITP-7/8 INCH Backer Rod Closed Cell 850 LF Per Carton MISSINGSIZES With high-visibility vials and precision-machinedClosed cell backer rod, 7 8" diameter, sold at 850 linear feet per carton, used to fill joints before applying sealant or caulk. 7 8" diameter fits standard expansion and control joints Closed cell foam resists moisture absorption 850 LF per carton for larger sealing jobs Controls sealant depth for proper joint performance