sanding disc eraser stick (also called a belt cleaner, abrasive belt cleaning stick, or abrasive eraser) is a rubberized cleaning block used to remove built-up debris, metal particles, paint, or resin from sanding belts, sanding discs, or drums. Here’s a breakdown: ⸻ 🧱 What It’s Made Of • Usually made from natural or synthetic rubber, similar to a giant pencil eraser. • It’s designed to withstand friction heat without melting or damaging the abrasive surface. ⸻ ⚙️ How It Works 1. While the sand