SPI Spindle Squares

A Simple solution to squareing your machine. Just zero indicators on flat surface (like a granite plate) install in milling machine spindle, bring the spindle down to the table and adjust the head untill both indicators read the same

• 3/8" Shank
• Fully assembled with indicators mounted and ready for use
• No more tramping or split reading, compensating for loose, worn gears or mirrors.
• Can also be used with a sign bar or protractor to set angle
• Constructed of steel with precision ground contact points for durability and accuracy
• Mini inch model designed for mini-milling or table-top machines and comes in a custom leather pouch
• All other models furnished in fitted case