• Reversible lock bolt, scriber, spirit level
• Hardened steel, machine divided blade
• Satin Chrome Finish Blade
• Cast Iron Heads with Black Wrinkle Finish

The Starrett 18" Combination Square with Square Head includes a reversible lock bolt, scriber, spirit level (except 4"), and hardened steel, photo-engraved blade with regular or satin chrome finish. The combination square includes a cast iron head with black wrinkle finish. 18", 4R Grad, Satin Chrome Blade.