Refill for the permanent glue roller MX with high adhesive strength. The glue tape consists of 3-layser-structure. Extremely strong and firm glueing is possible thanks to core padding between the glue layers (conventional glue tape consists only of a single layer of glue). The strong and permanent glue tape is perfect to use not only for paper, but alsofor using with cardboard, wooden board, plastic and glass (even surface is important). Based on internal tests and comparison, the permanent tape is three tomes stronger than conventional glue tapes. Easy use with one hand: simply push the button to open the cap. Refill cartridges are easy to remove and insert. Tape length 12m, Tape width 15mm.