Amazon has 2-pk Pentel EnerGel Deluxe RTX Retractable Liquid Gel Pen (Black) on sale for $3.21 - $0.16 (5% Subscribe & Save discount) = $3.05. Shipping is free with Prime or on $35+ orders.

• Note: You have the flexibility to manage your Subscribe & Save subscription at any time after your order ships. View Subscribe & Save filler items and our current Subscribe & Save Frontpage deals to unlock up to extra 15% savings when you have 5 or more items in your current monthly subscription.

Thanks to Deal Hunter htp182 for finding this deal.

Features:

• Liquid gel ink dries so fast even left handed writers love it - no smears, no smudges, no globs
• EnerGel ink writes more smoothly than the leading brand (Internally tested to be smoother writing than the leading gel pen on standard writing paper)
• Sleek stylish barrel design with metal accents for a professional look
• Maximum comfort and control with the latex-free grip
• Get more precise lines using the durable needle tip
• 0.5mm needle tip writes fine lines; 0.7mm needle tip writes medium lines
• Limited Lifetime Warranty