Product name: Crystal expansion ring (also known as: crystal fixing ring, mother-and-child ring)
Color: white, red, yellow, blue, green, black, light green, purple, two-color ring
Specifications: 4 inches, 5 inches, 6 inches, 7 inches, 8 inches, 10 inches, 12 inches
Dimension error: ±0.5mm
Thickness: 6mm, 7mm, 8mm
Common materials: POM+fiber
Wear-resistant material: PC+fiber
The crystal expansion ring supplied by our company: standard size, good material, no fading, suitable tightness.
Instructions for use: Put the inner and outer rings with the same side with "notch" (slot card) facing down into the fixture for use.
