Specification: Color: Black; Material: Plastic; Point Size: 0.5mm / 0.02 inch; Length: 130mm / 5.12 inch; Diameter: 3.6mm/ 0.14 inch; Packing List: 50pcs black ink. Advantage: Slim ballpoint pens use black ink that flows evenly to ensure smooth writing. Sufficient quantity can not only meet your own needs, but also share with family and friends. Instruction: Refill tip is sealed with protective wax to keep the ink from drying out. Pull it out when using. Application: Replacement rollerball pen refill is suitable with many rollerball pens, help extend the life of your favorite writing pen. Suitable for universal writing, highly reliable, suitable for all papers. Note: Please double check if the specification fit your pen before purchase. Application:
Replacement rollerball pen refill is suitable for many rollerball pens, help extend the life of your favorite writing pen. Suitable for universal writing, highly reliable, suitable for all papers.

Specification:
Color: Black;
Material: Plastic;
Point Size: 0.5mm / 0.02 inch;
Length: 130mm / 5.12 inch;
Diameter: 3.6mm/ 0.14 inch;
Packing List: 100pcs black ink.

Advantage:
Slim ballpoint pens use black ink that flows evenly to ensure smooth writing. Sufficient quantity can not only meet your own needs, but also share with family and friends.

Instruction:
Refill tip is sealed with protective wax to keep the ink from drying out. Pull it out when using.

Note:
Please double check if the specification fit your pen before purchase.