Sealey Cylinder Hone Kit 4-in-1. This kit is suitable for honing and de-glazing car brake and clutch cylinders, plus motorcycle, outboard and lawnmower engine cylinders. It features adjustable honing pressure and a flexible drive shaft. The kit includes an assortment of 220 grit stones and is supplied in a storage case. Bore size range: 18mm to 89mm.