Amazon.com: Genuine Dell K251D 6-Button Grey Gray Silver Black USB Scroll Wheel Optical Laser Mouse, Works Perfectly With Windows 95, 98, NT 4.0, 2000, XP, Vista, and Windows 7, and Will Work
Dell Laser Scroll USB Mouse 6 Buttons Silver and Black - DISCOUNT ELECTRONICS
GENUINE Dell Silver Black 6-Button USB Laser Scroll Mouse K251D h1719 | eBay
Dell K251D 6 Button Mouse and 3 Prong AC Power Cord Cable | AllSurplus
Dell Laser Scroll Mouse - 6 Buttons, Wired/ USB, 400/800/1200/1600dpi, Black - 331-5076 at TigerDirect.com
Amazon.com: Genuine Dell K251D 6-Button Grey Gray Silver Black USB Scroll Wheel Optical Laser Mouse, Works Perfectly With Windows 95, 98, NT 4.0, 2000, XP, Vista, and Windows 7, and Will Work
K251D - Parts for Dell - USB Laser Mouse (5 Buttons and Scroller) | Impact Computers