It has no noticeable scratches and is fully functional. This is an item for the main unit only. Drum trigger that enables a hybrid drum system The RT-30 series is a new drum trigger for hybrid drums that allows for quick setup with an easy and reliable mounting mechanism. The kick trigger RT-30K uses a mount protector mechanism. It prevents scratches on the hoop while ensuring secure installation. Also, there is no need to adjust the sensor position, making it easy to install in the correct position. Kick drum trigger that enables a hybrid drum system. Compatible with trigger module TM-2, V-Drums series sound modules, and sampling pad SPD series. Easy to install without adjusting the sensor position. Made of sturdy fiberglass-reinforced ABS resin. The mount protector mechanism prevents scratches on the hoop while ensuring secure installation.