Never run out of ink with 207 Gel Pen Refills from uni-ball featuring a 0.7 mm medium point with a stainless steel tip that resists bending and breaking. Even-flowing, pigment-based gel ink delivers a smooth writing experience for intense, vibrant lines, ensuring that every mark is brilliantly communicated. Use uni-ball gel ink for everyday writing tasks, check signing and all of your important signatures, trusting its quick-drying uni Super Ink. Innovative uni Super Ink technology effectively entraps the gel ink into the paper, producing fraud, fade and water-resistant documents that resist check washing or bleaching. The 0.7 mm medium point strikes the perfect balance between bold and detailed lines. Refill Format: Standard Gel Refill For Series: uni-ball Signo Gel 207, 207 Premier and Gel RT Pens Refill Tip Type: Conical Refill Point Size Type: Medium.