- Combine the butter, sugar, brown sugar, condensed milk and corn syrup in a large microwave safe bowl.  
- Microwave for 6 minutes, stirring every 2 minutes.  
- Pour the caramel into a tall thin glass.  
- Dip each pretzel rod into the caramel, covering about 2/3 of the way. Allow excess caramel to drip off. 
- Place the pretzel rods on a baking sheet lined with parchment paper.  
- Roll the pretzels, or use your fingers, to smooth the caramel that has pooled around the pretzels more evenly.  
- Melt chocolate in the microwave at half power, stirring every 30 seconds till smooth.  
- Scoop the chocolate into a tall thin glass.  
- Dip the pretzels into the chocolate and place back onto the parchment paper.  
- Spread sprinkles evenly over the chocolate.  
- Allow chocolate to set completely.  
- Store in an airtight container for up to 1 week.