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: TEKTON 2700 1/4-Inch Flat Stubby Screwdriver [Older Model]
Product description: Get a grip on the TEKTON 1/4 in. Flat x 1-1/2 in. Screwdriver and get it done. The shaft is made from high-strength heat treated chrome vanadium steel and is protected by a corrosion-resistant chrome plated finish. Precisely milled for exact fit in screw head, the tip is magnetized to hang onto screw, preventing it from being dropped and making one-handed installation easy. And what good is a screwdriver without a great handle? You can't create much torque if your hand is hurting. The HexTorque handle gives you both comfort and maximum turning power, with soft, non-slip rubber grips that keep your hand happy, even under high stress.
Product feature: High-strength, heat treated chrome vanadium steel shafts, Magnetized tips prevent dropped fasteners, HexTorque handles with soft rubber grips offer maximum comfort and non-slip turning power
Product price: $3.61
Product brand: TEKTON
Target attributes: Number of Pieces
Answer: attribute: number of pieces
value: None
source: None