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: MK Morse WSB1000 Spade Drill Bit 1" - 10 Pack
Product description: The M. K. Morse Spade Bit is a popular item for boring small holes through wood. Angled spur design cuts accurate holes cleanly and quickly. Stem works with 1/4" Fast-Adapt. WSB1000 SPADE BIT 1", 10/BOX
Product feature: Angled spur design cuts accurate holes cleanly and quickly, Stem works with 1/4-inch Fast-Adapt, Shank Size: 7/16-inch
Product price: $25.00
Product brand: MK Morse
Target attributes: Type
Answer: attribute: type
value: bit
source: product description
attribute: type
value: bit
source: product title