The inside of a 1911 slide suffers a lot of wear and tear, but honing the critical part creates a smoother surface, reducing friction and wear. The treated surface features a beautiful shine and will be more corrosion resistant because the treatment actually increases the metal's ability to hold oil and lubricants. Hones are available in a medium 400 grit or a fine 800 grit. Mfg: Brownells SPECS: Med. and Fine grit silicon carbide abrasive, twisted steel shafts. Must be used with Flex-Hone oil. 1911 Slide Lug Area Hone: 8" (20.3cm) long