Probably the most widely used type of precision equipment, BUSCH PRECISION Universal Right Angles are ideal for square and parallel references. Made of specially treated, close-grained quality castings, with all outside surfaces precision finished square and parallel, these angles can be used in any position. Offered in a wide range of sizes, these angles can be carefully fitted to almost any requirement. For special tooling and gaging applications, BUSCH PRECISION Universal Right Angles are often furnished with a hand scraped finish. Ground square and parallel to 0.0002” in 8”.