8 Genuine Schmidt 635M ISO 12757-2D, D1 Ballpoint Pen Refills, Compatible With Swarovksi Crystalline Pens, 8 Plastic Tops Included (Blue) 8 Pen Refills, 8 Plastic Tops Included Your Choice of Black, Blue or Assorted (4 black and 4 blue) Refills Measure 2 5/8 inches long (66mm) If Your Pen Refill Appears To Be Longer, Please look In The Middle As The Refill Separates And The New Refill Can Be Placed Into The Adapter Medium Point