Expert Accessory® Crack Monitor as [Pro Measurement Tool] 2-pack | transparent measuring template | crack width gauge | crack width ruler | crack gauge | expert crack card

["PROFESSIONAL SET - The set includes: 2 wall crack monitors [each with an upper crosshair plate & a bottom plate calibrated in mm] + 2 rubber bands for fixation", "EXACT MEASURING - The crack card is perfect for the work of experts. Crosshairs and grid lines measure deformations in millimeters", "RISSE ÜBERWACHEN - In order to repair cracks in the wall, the crack width must first be monitored for movement with the professional set", "HIGH QUALITY - The crack width gauge from expert accessories is the professional set for everyone. Stick / screw & record, done", "MADE IN GERMANY - Expert accessories produces high-quality crack monitors, crack cards, crack stencils, magnetic arrows, and more expert equipment"]