Zwaluw Backer Rod PU is a round open (polyurethane) foam rod used to fill joints between building materials to make sure the joint sealant will reach its correct dimension in width and depth. Zwaluw Backer Rod PU is supplied in various diameters.
Hi i love that bit set very nice and good quality and also the dewalt special edition drill i bought i love it thanks for the great service as always
Frans