ITEM: 31/4 to 33/4 Bore Diam, 120 Grit, Silicon Carbide Flexible Hone BRUSH RESEARCH MFG.. MANUFACTURER: BRUSH RESEARCH MFG.. BRAND: Brush Research Mfg.. MANUFACTURER PART: GBD33412. 31/4 to 33/4 Bore Diam, 120 Grit, Silicon Carbide Flexible Hone Fine, 131/2 OAL (MOQ1, Pkg Qty1)CATEGORIES: Maintenance, Repair and Operational (MRO) Supplies. Laps & Hones. Flexible Hones. N/A. TOTAL RECYCLED CONTENT: 10.00%. POSTCONSUMER RECYCLED CONTENT: 1.00%. KEYWORDS: Brush Research Mfg.Laps & HonesHonesFlexible HonesN/A.