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

Input:
Product title: Zildjian Rock Wood Black Dip Drumsticks
Product description: This stick features an added length and a fat tip for maximum power, weight and durability. The DIP material is a special coating that is applied to the grip area of the stick to provide a comfortable, slightly tacky gripping surface.
Product feature: Added length and a fat tip for maximum power, weight and durability. The DIP material is a special coating that is applied to the grip area of the stick to provide a comfortable, slightly tacky gripping surface., Length = 16 5/8, Diameter = 0.625
Product brand: Avedis Zildjian Company
Target attributes: Type
Answer: attribute: type
value: None
source: None