Motorcycle Valve Seat Reamer Repair Cutter High Quality Durable Tools Parts. Applicable valve diameter: 34-22mm. Grinding Wheels: 34×45 31×45 29×45 27×45 24×45 22×45. Reamers: 34×45 31×45 29×45 27×45 24×45 22×45. Top Chamfer: 34×58 27×58 24×58. Bottom Chamfer: 30×30 26×30 23×30. Toolholder: 5MM, 5.5mm, 6MM. Otherwise we can’t guarantee the package would arrive smoothly. Return accepted in 30 days after you receive the item. Return package must be in the original packaging, item must be in new condition.