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This is the real deal for cylinder honing.

Brush Research FLEX-HONE, model BC15818.

Size 1-5/8 inches, that’s 41.3mm.
180 grit abrasive.
Brand new, made in USA.

It’s a ball hone, flexible, follows the cylinder wall perfectly.
![Brush Research [BC15818] Brake Cylinder Flex-Hone - 1-5/8 x 8 In - 180 Brush Research [BC15818] Brake Cylinder Flex-Hone - 1-5/8 x 8 In - 180](https://cdn.mscdirect.com/global/images/ProductImages/7347656-21.jpg)
No warranty, but you won’t need it—these things last.
Use it for deglazing, finishing, cross-hatching.

Perfect for engine rebuilds, brake cylinders, whatever.

No mods, no bundles, just the hone.

If you know FLEX-HONE, you know this is top shelf.
5 out of 5