PFERD 82539 Single Row Power Knot Cup Wire Brush with Internal Nut and Standard Twist, Threaded Hole, Carbon Steel Bristles, 4" Diameter, 0.014" Wire Size, 5/8"-11 Thread, 7000 Maximum RPM: Abrasive Wheel
Amazon.com : PFERD CHAIN SHARP CS-X chain saw sharpener | file dia. 5/32 inch | 17300 – suitable for chain pitch 3/8" Low Profile, 2 in 1 chainsaw sharpening and depth gauge
PFERD 83080 Stem Mounted Power Knot Wire End Brush, Round Shank, Carbon Steel Bristle, 1" Diameter, 0.020" Wire Size, 20000 Maximum RPM, 1/4" Shank Diameter: Abrasive Cup Brushes: Amazon.com: Industrial & Scientific
PFERD Bench Grinding Wheel Universal Type | 8x1x1-1/4 inch, vitrified Bond, Regular Aluminum Oxide, grit Size 60 | 61766 - for Universal use in in The Workshop, Included bushings 1 inch: Industrial