The GlueGlider PRO+ 2 Pack PermaTac Cartridges are pressure sensitive, permanent adhesives die cut every 1/4ÃÆÃâÃâÃÂ¢ÃÆÃ¢Ã¢ââ¬à ¡ÃâÃÂ¬ÃÆÃ¢â¬Å¡Ãâàto allow you to apply either a small amount of adhesive or a continuous line.Just snap in the cartridge and glide!