PILOT Center of Gravity Mechanical Pencil.7mm Lead, Charcoal Barrel PIL36280 $5.99 shipped w/ Amazon Prime

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• Designed with perfect weight distribution for comfortable, balanced writing
• Commended for ease of use by the Arthritis Foundation
• Wide double layer comfort grip and balanced gripping axis reduce writing stress
• Retractable and refillable with 0.7mm lead
• Available in a variety of barrel colors

https://www.amazon.com/gp/product/B001E6BTN6