Instruction: First, identify the target attributes from the provided list. Then, scan the product title, description, feature, and brand to extract the values associated with each target attribute. Finally, create a list of dictionaries, each containing the extracted attribute, its corresponding value, and the source where it was found.

Input:
Product title: uxcell M1.5x6mm Thread Phillips Pan Head Self Tapping Drilling Screws 200pcs
Product description: Sheet metal screws have large threads for use in sheet metal sometimes also used in plastic, fiberglass, or wood. Pan heads are slightly rounded with short vertical sides. Sheet metal screws or tapping screws are designed to bind sheet metal to wood and sometimes fiberglass. Manufactured with a sharper, more pronounced thread that allows the screw to better tap or penetrate metal surfaces. Widely used in electronics, communication,electric power products, cultural goods, environmental protection machinery, etc.
Product feature: Head Style: Phillips Pan Head; Material: NIckel Plated, Product Name: Self Tapping Screws; Weight: 14g, Package Content: 200(+/-2%)pcs x Self Tapping Screws; Thread Size: M1.5x6mm/0.06"x0.24"(D*L), Drive Type: Phillips; Main Color: Silver Tone, Overall Size: 7x2mm/0.28"x0.08"(Total.L*Head.D)
Product price: $8.10
Product brand: uxcell
Target attributes: Type
Answer: attribute: type
value: sheet metal
source: product description