Product details:

Engine cylinder hone features and benefits: micrometer head assures accuracy in feedingexpands quickly to cylinder size with fast action rack and pinionbottom guard plate helps prevent stones from accidentally hitting the crankshaftclip-on stones and wipers are easily changed in a few seconds, stones are available in five gritsuse with heavy-duty 1/2in drillengine cylinder hone. Best by far - yet competitively priced. Standard range is 3in to 4 1/4in. Big range is 2 3/4in - 10 1/4in with additional rack sets and stone sets. Universal joint action makes grinding of back cylinder easy. 1 Set each of 15500 coarse stones and 15510 medium stones, cleaning brush and dressing paddle in a sturdy storage case. Another quality product brought to you by lisle.