In Re-treatment of root canal, old Gutta Percha must be removed. After using
ultrasonic, old Gutta Percha can be soften and then it can be removed by GP Remover Spear.
Gutta Percha (GP) remover spears used in endodontics (root canal treatment) to remove excess gutta percha filling material from the root canal or pulp chamber.
The "Spear" in its name likely refers to the pointed, angled tip designed to engage and remove the gutta-percha filling.
The "0.5L" could indicate a specific size or taper of the instrument, potentially referring to the diameter or length of the working tip.
There are 4 different sizes available 0.3S, 0.5S, 0.5L and 0.7L.