Check the listing for details. Papermate PhD Pencils .5mm Rare Black and Chrome volume pricing, NOS. Condition: New. Listed at 16.75 USD. Extremely rare and collectible. New, Black and Chrome .5mm Papermate PhD pencils. Buy any quantity you want and receive volume pricing. No longer in production and hard to find. Voted best mechanical pencil! Supported by Physical Therapy association for its ergonomics. Excellent to teach children writing or for the elderly coping with arthritis. Very hard to find in new condition. If you have purchased from me before you know that the items will look and feel brand new. Want them for a promotional opportunity, email me for pricing.Extremely rare and collectible. New, Black and Chrome .5mm Papermate PhD pencils. Buy any quantity you want and receive volume pricing. No longer in production and hard to find. Voted best mechanical pencil! Supported by Physical Therapy association for its ergonomics. Excellent to teach children writing or for the elderly coping with arthritis. Very hard to find in new condition. If you have purchased from me before you know that the items will look and feel brand new. Want them for a promotional opportunity, email me for pricing.