Zebra Ballpoint Pen Blen 3C Box of 10 Oil-Based Refills, SNC-0.5 Black, B-RSNC5-BK,

[Blen] Stable writing. Stress-free writing experience. [Blen features] 1. Low center of gravity (lowering the center of gravity prevents writing wobble) 2. Direct touch (holds the core and prevents the pen tip from wobbling) 3. Noise-free design (eliminates gaps between parts to prevent wobble inside the pen) [Ink] Emulsion dye + pigment [Body size] Maximum shaft diameter 3 x 89.9 mm / Weight 0.6 g [Compatible body] Bren 3C