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

Input:
Product title: Staples® Niko™ Smooth Rubber Grip #2 Mechanical Pencils; 0.7mm; Purple, White, Black & Blue Translucent Colors Barrel; 4 per pack
Product description: Each Staples Niko gripped mechanical pencil features a 0.7 mm lead, a clear tip to see the advancing lead and a translucent barrel with a matching smooth grip for comfort. Each pack includes 4 pencils.
Product feature: 0.7 mm lead; #2 Mechanical Pencils, Purple, White, Black & Blue Translucent Colors Barrels, Smooth comfort Rubber grip matches color of translucent barrel, Clear tip lets you see the lead advancing, 4 mechanical pencils per pack
Product brand: Staples
Target attributes: Type
Answer: attribute: type
value: mm
source: product feature
attribute: type
value: mechanical
source: product feature
attribute: type
value: mechanical
source: product description
attribute: type
value: mm
source: product description
attribute: type
value: mechanical
source: product title