The U.S. Consumer Product Safety Commission and Starbucks have announced a joint recall of 530,000 coffee grinders that could pose a laceration hazard to users.

Starbucks Barista Blade Grinders and Seattle’s Best Coffee Blade Grinders are affected by the recall. The grinder can turn on unexpectedly or fail to turn off.

Starbucks has received 176 reports of the grinder turning on unexpectedly or failing to turn off. There have been three reports of hand lacerations.

The following models are affected:

• Starbucks Barista Blade grinder, stainless steel colour, product code 171884
• Starbucks Barista Blade grinder, green colour, product code 195234
• Starbucks Barista Blade grinder, pink colour, product code 195235
• Starbucks Barista Blade grinder, orange colour, product code 220623
• Starbucks Barista Blade grinder, teal colour, product code 220624
• Starbucks Barista Blade grinder, cranberry colour, product code 242275
• Starbucks Barista Blade grinder, olive colour, product code 344476
• Starbucks Barista Blade grinder, black colour, product code 454482
• Seattle’s Best Coffee Blade grinder, brown metallic colour, product code 474881

The grinders were sold at Starbucks and Seattle’s Best Coffee stores across the United States between March 2002 and March 2009.

Consumers are advised to stop using the products immediately and to contact Starbucks for a free replacement.