Vigor Multi-Grinder Great for Metalsmiths, Metal Working, Wood Working & Jewelry Repair. This is a new 60 Hz Vigor 1/8 hp multi-grinder. Can be used as a carver, grinder, sander, smoother, polisher, cutter, buffer, etc. This grinder can be bolted to your bench for greater stability. Has variable speeds from 1,500 to 4,000 rpm. The flexible shaft is compact and powerful and measures approximately 36" (91.5 cm) long. The handpiece fits comfortably in your hand and accepts a large variety of accessories with 3/32" or 1/8" (3.18 or 2.35 mm) shafts. It is equipped with a grinding and polishing wheel that each measures approximately 3/4" x 3" (19.1 x 76 mm). This grinder measures approximately 7" x 4 3/4" x 6 1/2" (178 x 121 x 165 mm).