50 Pieces of Black Replacement Refills, Ballpoint Refills, Study and Office Supplies, Writing Supplies

【Product Content】You Will Receive 50 Black Replacement Refills. The Replacement Refill Size Of Each Piece Is 9.7*0.35Cm And Has A Black Color. It Is Suitable For Ballpoint Pen Writing To Meet The Needs Of Study And Office. 【Product Material】This Product Is Made Of Plastic To Ensure Its Durability And Long-Term Use. The Ink Of The Refill Core Is Smooth, The Writing Is Smooth, And It Is Not Easy To Break Ink, Which Is Suitable For Various Writing Needs. 【Widely Used】This Product Is Ideal For Study, Office And Daily Writing. Whether It Is Students, Teachers Or Office Workers, They Can Benefit From It And Provide A Convenient Writing Experience. 【Easy To Install】These Replacement Refills Are Simple To Design And Easy To Install. Simply Insert It Into A Ballpoint Pen And Use It To Keep Your Pen Writing Smoothly At Any Time. 【Affordable】This Product Offers 50 Replacement Refills, Which Are Sufficient In Quantity And Cost-Effective. Suitable For Most Writing Needs And Reducing The Trouble Of Frequent Purchases, It Is Ideal For Studying And Working.