Secure ballpoint pen features fraud-resistant ink that helps prevent tampering of checks and documents. Security ink writes easily on thermal paper. Telephone-type coil extends to more than 5 and coils back to less than 6. Scabbard base mounts vertically, horizontally and diagonally to telephones, refrigerators, partitions and walls. Square base mounts easily to any clean, flat surface. Scabbard Base Special Ink Type: N/A; Pen Style: Stick; Ink Color(s): Black; Pen Type: Ballpoint.