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This is a tube of 4 Eraser Refills Z2-1N by Pentel that will fit all the mechanical pencils in their range. Inside the practical and resealable tube you will find 4 premium quality white erasers that are completely latex free which is a common irritant and they are ideal for rubbing out your pencil strokes made in error. - Brand: Pentel - Tube of 4 - 100% latex free white erasers - Fits the Pentel mechanical pencil range