Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Individual Economy Screwdrivers, Straight Blade, 1.60 Millimeters | SCR-911.60
Product description: Economic screwdrivers available individually, which are very hard to find, are now offered by EURO TOOL. If you need several of one size rather than a set, this is the answer. Straight Blade, 1.60 Millimeters
Product feature: Ideal for smaller jobs and hard to reach places, 1 screwdriver, Straight Blade, 1.60 millimeters
Product price: $4.68
Product brand: EuroTool
Target attributes: Power Type
Answer: attribute: power type
value: None
source: None