Reflective Tape Survey Targets, 20-Pack 4cm x 4cm Reflector Target Sheets for Surveying

These 4 by 4 centimeter reflective target sheets are manufactured from acrylic and designed for use with standard measuring instruments. The package contains twenty sheets intended for precise alignment in civil and structural projects. 1. Constructed from acrylic material. 2. Each sheet measures 4 cm by 4 cm with cross markings printed on the reverse side below the central glare target. 3. Compatible with widely available surveying and measuring equipment for positioning tasks in tunnel, bridge, building construction, slope, and ship inspection settings. 4. Includes a package of twenty reflective target sheets.