Amazon has 10″ Hopkins SubZero Bear Claw Ice Ripper Scraper (16211) on sale for $2.12. Shipping is free w/ Prime or on $35+ orders.
About this product:

• Wide 4″ frost clearing blade
• Flat, compact design for easy storage
• Durable construction allows for long lasting performance
• Ice chippers score thick ice for quick removal
• 10″ length provides good reach