Description Experience the precision of the Uni-ball Signo Green Gel Pen (UM-120). Famous for its ultra-smooth flow, this pen features Uni-ball’s signature “Super Ink” which is waterproof, fade-resistant, and tamper-proof. The 0.7mm tungsten carbide ball ensures consistent lines without skipping, making it the perfect choice for teachers for checking, students for highlighting notes, and creative journaling. Its transparent barrel lets you monitor ink levels, while the ergonomic design provides comfort for long writing sessions. 1
