Crack Corner Crack is a simple analog crack gauge and a precision instrument for measuring horizontal or vertical crack movement on a plane. Key benefits - Prevents and tracks cracks: used to monitor wall cracks and how they develop, helping you respond early. - Clear and precise readings: a highly readable acrylic plate with an easy to read scale for accurate results. - Durable and reliable: made of acrylic, providing a sturdy, smooth, wear resistant surface that resists breakage. Specification highlights - Material: acrylic - Function: analog crack gauge for horizontal or vertical crack movement on a plane - Performance: clear, easy to read measurements with practical usability Use scenarios - Home maintenance: monitor existing wall cracks during remodeling to assess progression. - Construction and renovation: track crack movement on walls to ensure stability during work. - Post-event assessment: observe crack growth after earthquakes or heavy weather to evaluate risk. Note: The crack gauge is designed to document manual cracking work and to illustrate how cracks develop on walls.