Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: Amerock BP1585-FB Cabinet Hardware Rope Knob - 1-1/4" Diameter - 25 Pack
Product description: Amerock BP1585-FB Cabinet Hardware Rope Knob - 1-1/4" Diameter - 25 Pack
Product feature: High Quality Flat Black Finish, Diameter: 1-1/4", Projection: 1-1/4", Individually Polybagged with 1" Mounting Screws Included
Product brand: Amerock
Target attributes: Material
Answer: attribute: material
value: None
source: None