• For 1 3/4" to 2 3/4" (44.5 - 69.9mm) Cylinders.
• Precision built for small cylinders.
• Stones are 3 1/2" long, assuring unusual accuracy.
• Stones cover full range, are easily changed, and available in four grits. Comes complete with 16410, 16420 and 16430 medium grit stone sets in sturdy storage case.