Check the listing for details. Diamond Strop By Nano Hone 100 micron 475mm. Color: Orange, Condition: New. Listed at 60.00 USD. The Nano Strop 450mm is a sharpener made of Diamond Resin material with an item length of 475mm. It is suitable for knives and multi-tools, measuring 18mm in width and 0.8mm in height (resin). This unit is manufactured in the United States by Nano Hone. This has the original honeycomb pattern. Nano Strop is designed for long sharpening strokes which means fewer transitions and more angle control. Use it like a barber's razor strop. It has a very low (distributed) point load; this will keep the fare curve of your edges from deforming over time. Use it wet or dry Abrasive size : 100 micron Abrasive length : 475 mm x 18 mm x 0.8 mm (14"x 3/4"x1/16")