This package carries 30 Pieces:30 Pieces X Grit 600.

Featues & Benefits of 3x21 in Aluminum Oxide Sanding Belts
High Removal Rates
Smooth, Consistent Finish
High Tear Resistance, Superior Grain Support for Long Lifespan
Running in Either Directions on Belt Sander
Standing Up to Heat Sensitive Applications

Heavy Duty X-Weight 100% Polyester Cloth Backing: Heavy duty X-wt gives the sanding belts a durable structure. 100% polyester material cloth features high strength, good elasticity, heat resistant, corrosion resistant, wearable and washable, which providing durability, longer belt life and the performance of standing up to heat sensitive applications

Premium Open-Coated Aluminum Oxide Abrasive: The premium and open-coat aluminum oxide resists loading for high removal rates, consistent finish and even results

Resin Over Resin Bonding: High strength resin bond system provides superior grain support, resist heat and humidity for longer life