ITEM: 21/2 12 Port, 3.52 Spotface Diam, 2 Tube Outside Diam, Plain Pilot, Carbide Tipped Porting Tool SCIENTIFIC CUTTING TOOLS. MANUFACTURER: SCIENTIFIC CUTTING TOOLS. BRAND: Scientific Cutting Tools. MANUFACTURER PART: MS3364932S. 21/2 12 Port, 3.52 Spotface Diam, 2 Tube Outside Diam, Plain Pilot, Carbide Tipped Porting Tool 227/64 to 2.5265 Pilot Diam, 4.6 OAL, 0.667 Pilot OAL, 4 Flute, AS 5202, MS 33649, 32 Dash No. (MOQ1, Pkg Qty1)CATEGORIES: Maintenance, Repair and Operational (MRO) Supplies. Counterbores & Porting Tools. Porting Tools & Inserts. N/A. TOTAL RECYCLED CONTENT: 10.00%. POSTCONSUMER RECYCLED CONTENT: 1.00%. KEYWORDS: Scientific Cutting ToolsCounterbores & Porting ToolsPorting Tools & InsertsPorting ToolsN/A.