3M™ Hookit™ Blue Abrasive Disc 36520, 40E, 6 in (150 mm), Dust-Free, 50 Discs/Carton, 4 Cartons/Case

The 3M Hookit Blue Abrasive Disc 521U is expertly engineered for professional sanding applications, particularly in the automotive collision repair industry. This versatile abrasive disc is suitable for use on a variety of substrates, including paint, primer, metal, and composite materials, making it an essential tool for body shops and repair technicians seeking consistent, high-quality results.

Featuring a robust E-weight paper backing, the 3M Hookit Blue Abrasive Disc 521U delivers outstanding durability and a fast, aggressive cut. This construction ensures the disc maintains its performance over extended use, providing both efficiency and longevity during demanding sanding tasks. The advanced abrasive technology helps achieve a smooth, refined finish while minimizing the need for frequent disc changes.

The innovative 3M Hookit attachment system utilizes a convenient hook-and-loop design, allowing for quick and easy disc changes. This reusable attachment method not only saves time but also enhances productivity by enabling users to switch between grits or replace worn discs with minimal effort. The secure fit ensures the disc remains firmly in place during operation, contributing to a safer and more effective sanding process.