By using controlled pressure it is possible to use just one stone grit for polishing and honing. Stones are square end to hone to the end of step-cut end blind-end cylinders.

2 stones, 1 1/8" long, 240 grit; Adjustable range 11/16" to 2 1/2" (17.4mm to 63.5mm);

Note: See 530701 for replacement stone set