The Mirka 2.75 x 8 56-Hole Grip Backup Pad for MR-38CV/SGV, 938GV is a high-quality replacement mat designed specifically for Mirka Dustless Sanders. This durable backup pad features a 56-hole grip design, allowing for efficient dust extraction during sanding applications. Manufactured by Mirka Sanders, this backup pad is compatible with MR-38CV and SGV sanders, providing a secure and reliable grip for sanding discs. Improve the performance and longevity of your Mirka Dustless Sander with this premium backup pad, essential for achieving smooth and professional results on your projects.