Introduction: This pack of 30 sanding discs contains an assortment of 10 different grit sizes, allowing you to choose the right disc depending on your needs. Advantages: Made of high-quality aluminum oxide and high-strength resin. Super Bonding System prevents movement during work. Excellent polishing, sharp, heat-resistant and wear-resistant. Equipped with Velcro for easy installation and removal. With 10 holes for dust extraction for smooth sanding. Suitable for various materials such as metal, wood, rubber and more. Compatible with all 225 mm wall and ceiling sanders. The sanding discs are specially designed with Velcro for easy installation and removal. The 10 holes provide dust extraction, which prevents clogging and improves work efficiency. Specifications: Grit sizes: 40/60/80/100/120/150/180/240/400 Material: Aluminum oxide and resin Suitable for: Metal, wood, rubber, leather, plastic and more Quantity: 30 pieces