Neilsen CT6198 Flexible Honing Tools, 180 Grit, Working Diameter: 81 83mm, Shaft 7.8mm, Max. Drive Speed: 300rpm

Amazon

180 Grit: Provides efficient honing and finishing Working Diameter: 81-83mm Shaft Diameter: 7.8mm Max. Drive Speed: 300rpm Ideal for Engine Cylinder Honing: Precision tool for various materials

ManoMano

Neilsen Silicon Carbide Flexible Honing 180 Grit Engine Cylinders Tool 81mm-83mm Working diameter: 81-83mm Shaft diameter: 7.8 mm Max. drive speed: 300 rpm