Specification Brand : GOODSON BulletPoint1 : Unique 8-flute body design with 4-flute pilot for longer tool life BulletPoint2 : New cutting geometry requires less torque to drive the reamer BulletPoint3 : Rigid tool construction BulletPoint4 : Non-cutting pilot measures approximately .005" smaller than the cutting diameter allowing easier alignment with the valve guide BulletPoint5 : Use at 300 to 400 RPM with Bronze Reaming Oil for best results ItemName : GOODSON .3435" Dia. | Carbide Valve Guide Reamer ItemPackageQuantity : 1 ItemTypeKeyword : taper-pin-reamers Manufacturer : GOODSON Material : carbide PartNumber : HGR-3435 ProductDescription : Solid carbide valve guide reamers are specifically designed to use with Bronze Valve Guides. For best results always use carbide reamers with Bronze Reaming Oil (sold separately). ProductSiteLaunchDate : 2011-12-26T01:46:56.455Z UnspscCode : 40141600