High Quality Mineral Glass: Watch crystal len use of high-quality mineral glass material, strong impact resistance, clear and transparent.
Smooth Edge Treatment: Watch glass lens adopt a very clear smooth edge treatment, no scratches, and is accurate for you to read.
High Temperature Resistance: The surface is smooth and free of burrs, high temperature resistance and long service life.34Pcs watch crystal len,sufficient quantity to meet your needs.
One Machine For Multiple Purposes: Watch glass lenses can be used for laboratory measuring cup lids, watch glass accessories, and the number is sufficient.
Practical Accessories: Watch parts replacement lenses are not aging, high hardness, can be used as laboratory accessories.