Learning Task 2: Choose the letter of the correct answer Use separate sheet of paper. 1. This is the most common tool used in tool room. It is made of tampered steel about 1/8-inch thick and inch wide and 6 to 12 inches long. A. Pull - push Rule B. Steel Rule C. Steel Tape 2. A flexible rule when extended will support itself, but may also be used to measure curved, irregular surfaces. A. Steel Tape B. Dividers C. Pull - push Rule 3. An instrument used to measure the square of an object. A. Vernier Caliper B. Try Square C. Divider 4. An instrument combined with 45°, 90° and a protractor. A. Combination Square B. Try Square C. Divider 5. This is a precision measuring instrument used to measure dimensions in thousandths of an inch. A. Pull - push Rule B. Micrometer Caliper C. Steel Rule A