ITEM NAME:4Inch Car Engine Cylinder Brake Hone Honing Stone 51Mm To 177Mm Flexible Sh D6X3 4Inch Car Engine Cylinder Brake Hone Honing Stone 51Mm To 177Mm Flexible Sh D6X3 Fitted with Fine Stones. Knurled Nut Controls Tension. Flexible Shaft for ease of use and self centering. Flexible shaft, controlled spring action and spread control limiter are features which contribute to faster changing from one cylinder to another with fastest cutting action. Engine Cylinder Hone Extremely versatile hone for 51mm to 177mm diameter cylinders found on cars, trucks, buses, tractors, industrial engines and small air-cooled engines. Car Engine Cylinder Brake Hone Honing 51mm to 177mm Cylinder Tool Flexible Shaft Material: metal Color: Silvery + Black Grinding stone Size: 100*11mm Package included: 1* Car Engine Cylinder Brake Hone