Blue-point 12" Combination Squares feature hardened and tempered steel blades with a satin chrome finish to reduce glare and resist rust:

• Heads are machined cast iron with a black wrinkle finish.
• Movable heads are set for readings at 45° and 90°.
• Blades are machine etched with graduations at 1/8", 1/16", 1/32" and 1/64".
• Blade straightness and parallelism is 0.0006" /12".
• End sureness: +/-0.03°
• Head sureness: 0.0005" /12".
• Miter sureness: 0.005"/12".
• Heads include a level vial and a hardened steel scribe that screws into the tool body.
• Tools are fitted into a single tough plastic storage case.