Weiler Trimmable Flap Discs 40 Grit - Comes with a 4.5 diameter and a grit of 40. Weiler Trimmable Flap Discs 40 Grit is made using zirconium to ensure longevity. It comes with a 4.5 diameter and can be trimmed up to 3/8 from the original diameter. • Design/Pattern: Tiger. • Material: Zirconium. • Type: Abrasive Flap Disc. • Weight: 0.32 lbs. • Abrasives: Flap Disk. • Features: The Backing Can be Trimmed Up to 3/8 from the Original Diameter Dramatically Extending the Life of the Disc. • Sold as 1 Each.