The Kapro 325M Magnetic Lock Combination Square is used for verifying 90- and 45-degree angles in woodworking, stonemasonry, and metalworking applications. The magnetic lock with six rare-earth magnets ...

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The Kapro 325M Magnetic Lock Combination Square is used for verifying 90- and 45-degree angles in woodworking, stonemasonry, and metalworking applications. The magnetic lock with six rare-earth magnets holds the rule in place for accurate measurements. The 12-inch rule has etched graduations in inches and centimeters that are staggered in a height pattern for readability. The square is made of stainless steel and cast zinc for durability. It comes with a belt holster and a stainless steel scribe that is attached to the head by magnets.

Kapro manufactures spirit levels, laser levels, layout tools, and measuring tools. The company, founded in Israel in 1974, meets International Organization of Standardization (ISO) standards 9001, 14001, and SA8000.

What's in the Box?
  • Kapro 325M Magnetic Lock Combination Square
  • Scribe
  • Belt Holster


  • MAGNETIC - The Kapro 325 Magnetic Lock Combination Square features strong magnets that hold the ruler in place for easy adjustments. You simply push and pull the rule through the square head’s magnetic field.
  • CONVENIENT - Registering and transferring measurements from the board to blade/bit or board to board was never easier; the ruler is made of stainless steel and is permanently etched in inches and centimeters.
  • MULTI-PURPOSE - The Kapro 325 is your new home improvement best friend. Use this tool for carpentry, drywall, and construction projects!
  • ACCURATE - The Kapro 325 Provides 5 milled sides for superior accuracy and includes an easy grip magnet-held stainless steel scribe, easy to read vial, and belt holster.
  • KAPRO - We reimagine precision tools and accessories for professional craftsmen to weekend warriors while setting high standards by driving innovation in our designs.
  • MAGNETIC - The Kapro 325 Magnetic Lock Combination Square features strong magnets that hold the ruler in place for easy adjustments. You simply push and pull the rule through the square head’s magnetic field.
  • CONVENIENT - Registering and transferring measurements from the board to blade/bit or board to board was never easier; the ruler is made of stainless steel and is permanently etched in inches and centimeters.
  • MULTI-PURPOSE - The Kapro 325 is your new home improvement best friend. Use this tool for carpentry, drywall, and construction projects!
  • ACCURATE - The Kapro 325 Provides 5 milled sides for superior accuracy and includes an easy grip magnet-held stainless steel scribe, easy to read vial, and belt holster.
  • KAPRO - We reimagine precision tools and accessories for professional craftsmen to weekend warriors while setting high standards by driving innovation in our designs.

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