Price reduced. I am selling these because I no longer use them. Each has been used for about 60 centimeters. There are 5 rolls remaining in each of the 2 boxes, so it will be about 1.4m x 2 boxes. Please understand that these have been stored in a warehouse. ●Reference price (excluding tax) ¥10,600 《Product Features and Basic Specifications》 Features: Can also be used for penetrations in hollow walls and single walls (reinforced gypsum board with two sheets on one side). Installation is completed on only one side of the wall. Can be used regardless of the presence of PF tube or CD tube. Can be used for outlet box parts installed in fireproof compartments of hollow walls.