3.0mm Thick 20pcs Flat 40.5-50mm Round Watch Glass Mineral Crystal Replacement

Please measure your crystal size via a vernier caliper with a screen before you make a purchase.

Description
100% Brand new
Color: as picture
Material: Mineral Glass
Edge Thickness: 3.0mm
Diameter:40.5-45mm, 0.5mm increased progressively
Diameter:45.5-50mm, 0.5mm increased progressively

Notice:
There maybe ±0.02mm error for diameter and ±0.1mm error for thickness.