ITEM NAME:125 Polishing Machine Angle Grinder Extension Rod M14 Adapter Rod Polishing N1B3 125 Polishing Machine Angle Grinder Extension Rod M14 Adapter Rod Polishing N1B3 Threaded rod: M14 Threaded hole: 14mm Optional length:140Mm Color: silver Material: steel Package Contents: 1* Adapter rod.Threaded rod: M14. 1 Adapter rod. Threaded hole: 14mm. Material: steel.