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Plastic Flat Ring
Plastic Flat Ring
Size: 28mm, 38mm, 50mm, 76mm etc
Flat ring is height-diameter ratio is 0.2-0.4. Internal transverse staggered muscles increases its mechanical strength.
Plastic Flat Ring
Size: 28mm, 38mm, 50mm, 76mm etc
Flat ring is height-diameter ratio is 0.2-0.4. Internal transverse staggered muscles increases its mechanical strength.