Complete Types (P100): These 125mm discs with 8 holes grip the sander from the back. The 8 holes are designed for efficient dust extraction. The aluminum oxide front is ideal for a smooth finish. These sanding discs meet almost all polishing requirements. High Quality: This sanding disc features a thick D-class paper base. Made from abrasive aluminum oxide, it is durable and antistatic. The polished contact surface is larger, resulting in a better effect. These high-quality alumina abrasive paper sanding discs, with special heat treatment, offer excellent polishing and are a good choice for sanding and polishing. Easy to Use: This 125mm abrasive disc has a high-strength resin bonding system that increases its lifespan. The durable reverse hook and loop fastener makes changing discs quick and easy. Easier and more convenient sanding; Hook and loop backing for faster mounting, easy and quick to attach, strong and durable, won't fall off during use, easy to install and remove. Sanding