You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "the commonly used standard length of hacksaw blade is?" whose answer is 12 inch.
Each document should contain about 30 words, and these documents should contain useful information.

Query: common hacksaw blade length
Useful Output:

Doc 1: Some of the popular blade lengths are listed below: 8 inches: the 8 inches or 200mm blade length is perfect for working on smaller surfaces
Doc 2: Hacksaw blades are about 1/2-inch wide, have from 14 to 32 teeth per inch, and are from 8 to 16 inches long. The blades have a hole at each end
Doc 3: Hacksaw blades vary by length, material, and TPI (teeth-per-inch). Length: Most hacksaw blades are 150, 254, or 300 mm long (6, 10, or 12 inches)
Doc 4: How much tension should you apply to the blade? How do you know what length of blade fits into your hacksaw? How do you stand and use the
Doc 5: The cut goes much more easily when you switch to a 32-tpi blade. Common hacksaw blades are available with 14, 18, 24, and 32 teeth per inch. For