Package Include: 10Pcs 3" x 3/8" Cut Off Wheel + 10Pcs 3" x 3/8" Grinding Wheel + 2Pcs 1/4 Stem Mounting Mandrel
Ultra-thin 3-inch x 0.04-inch cutoff wheel for efficient cutting work
Heavy-duty 3-inch abrasive wheel is very effective against welding and rusting
Suitable for most die grinder, tested at 7000RPM can already meet the needs of cutting and grinding, the best use of speed 9000~15000RPM, the maximum use of speed 20000RPM, please do not run at a speed greater than or equal to this speed.