Glide into the future of writing with smooth liquid gel ink. The best qualities of liquid ink and gel ink are blended into a super-smooth ink and delivered via an exclusive ink/tip technology. Vivid, acid-free ink dries quickly without smearing or blotting, and is great for left-handed writers. Available in 0.5mm fine/0.7mm medium needle tips. Available in black, red, blue and violet ink. Futuristic barrel accents indicate ink color. Uses Pentel LRN5/LRN7 needle tip refill cartridges.