Frixion Ball Knock Refill Black 1 pack (3 pcs) 1 pack (3 pcs)

AS ONE Recommended Specials Ballpoint pen Featured Office Supplies Others: Multi-color ballpoint pens, etc. Recommended office supplies Replacement lead for Frixion Ball Knock Research Equipment Stationery and office supplies Stationery and office supplies Stationery and office supplies Writing implements and correction supplies