Flex-Hone GBD400400 4" 400 Grit Silicon Carbide Hone - Mild Steel Cast Iron

Flex-Hone GBD400400 4" 400 Grit Silicon Carbide Hone - Mild Steel Cast Iron (DK6)Item is new and unused. Please anticipate signs of handling. Outer packaging may have cosmetic imperfections/damage - does not affect the item itself. Includes all item(s) seen in picture(s) ONLY. 4" (102mm) diameter FLEX-HONE with 400 grit silicon carbide abrasive Ideal for mild steel, stainless steel, cast iron, and softer ferrous materials Self-centering, self-aligning design for easy operation and uniform finish Achieves a 10–20 microinch finish (0.3–0.6 µm) with crosshatch pattern Used for cylinder deglazing, crosshole deburring, and edge blending Heavy-duty tool with 6" abrasive length, 13.5" overall length 0.310" shank diameter; fits bores between 3.751"–4.000" Made in the USA for reliable performance and quality Works with hand drills, drill presses, and CNC spindles Suitable for engine and brake cylinders, valve guides, pumps, and compressors Letters and Numbers in ( ) is the items location and is for our reference ONLY.