Changing direction and adhesive type is now a snap with the GlueGlider Pro Plus cartridges. Glide ability is better than ever and reversible cartridges give precise, directional control with an easy flip of the cartridge. Want to go forward, backward or curve around? Now you can. For use in the GlueGlider Pro Dispenser (GGP00211) or as a refill in the GlueGlider Pro Plus Dispenser (GPP00693).