IJO1041 Features: * 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 * Shipping wt. 4 lbs. 2 oz.Small Cylinder Hone for 1-3/4" to 2-3/4" (44.5 - 69.9mm) cylinders. * Small Cylinder Hone For 1-3/4"" to 2-3/4"" (44.5 - 66.9mm) Cylinders Warranty: * Lifetime warranty does not cover abuse