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Bic Triumph 537RT Gel Pen 0.7mm Medium Point Assorted Colors 1 Pack Of 3 #34186 70330341869 | eBay
BIC TRIUMPH 730RT RED GEL INK PEN Retractable 12 Pack MED 0.7mm 34069 RTR7711 70330340695 | eBay
Office Depot
BIC Triumph 537 Roller Pen, Fine Point (0.7 mm), Black, 12 Pens | Writing Supply Center
Amazon.com: BiC Triumph 537r 0.7mm Needlepoint Tip Liquid Ink Roller Pen - Single Pen : Office Products