Jet R8 Series Angle Grinder Model JAT-450

12,000 RPM at 90 PSI
3/8"-24 Spindle thread
Spindle lock system holds cutting wheel for disc changes
Uses standard 4" diameter x ¼" thick x 5/8" arbor grinding wheels (not included)
Two position auxiliary handle for versatility
Safety throttle lock prevents accidental engagement, 4.0 lb.