Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: K455 30" Maple Youth Wood Baseball Bat- Black Barrel
Product description: The lightest of our youth bats, the K455 is designed like an adult bat in terms of shape, with the weight of a youth bat. It meets the specs required for youth bat play. This wood bat is our most popular youth bat. With the design of a modern baseball bat, the K455 youth bat gives the young player the opportunity to feel more like he/she is swinging a pro's bat. K455 youth wood bat specs: Weighted slightly toward the barrel Nearly straight handle 2-1/4" barrel 15/16" handle -8 drop (length - drop = weight in ounces) Maple for extra durability
Product feature: Typical user:Youth with some wood bat experience, understanding how to hit on the sweet spot., 2-1/4 barrel,15/16 nearly straight handle.-8 drop (length 8 = ounces), Meets Little League Wood Bat Standards, Made in Plain City, OH, USA, Includes Free Ground Shipping in Continental U.S., Try a bat for 10 days; if you dont like it send it back.
Product brand: Phoenix Bats
Target attributes: Weight
Answer: attribute: weight
value: None
source: None