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: EXTRA Long T27 Torx Screwdriver - German Engineered
Product description: NEW - Wera Extra Long T27 TORX Screwdriver
Product feature: NEW - Wera Kraftform Plus HF Extra Long T27 TORX Screwdriver, Specs - Blade Length: 300mm(approx 12") Handle Length: 105mm(approx 4.1"), OAL: 405mm(approx 16.1-inches), Handle markings include screw symbol and size of tip (T27), SHIPS TODAY
Product price: $31.98
Product brand: German Tools
Target attributes: Number of Pieces
Answer: attribute: number of pieces
value: None
source: None