Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: Integra Grip Mechanical Pencil, Refillable, 0.7mm, Assorted (ITA36153)
Product description: Grip Mechanical Pencils offer pocket clips and grips in assorted colors (three each in red, yellow, blue and green) and a black barrel. Design features a rubber grip and latex-free eraser. Each pencil includes three full-length leads and is refillable with standard lead.
Product feature: Grip Mechanical Pencils offer pocket clips and grips in assorted colors (three each in red, yellow, blue and green) and a black barrel, Each pencil includes three full-length leads and is refillable with standard lead, Pencils
Product price: $5.84
Product brand: Integra
Target attributes: Type
Answer: attribute: type
value: mechanical
source: product feature
attribute: type
value: mechanical
source: product description
attribute: type
value: mechanical
source: product title