Makita A-95956-25 36 Grit INOX Grinding Wheel (Pack of 25), 4-1/2" x 1/4" x 7/8" Aggressive composition for faster material removal Innovative design for reduced noise Reduced vibration for superior user experience High strength bonding agent for added durability and long life 36 abrasive grit for efficient material removal, 1/4" thick, 7/8" arbor hole