

【Material】The material of the cage is high-quality aluminum alloy, and the ring is ABS material. This product is a press-lock style, equipped two keys.
【Size and Weight】The inner diameter of the cage is 37mm, and the size of the ring is 38mm, 4mm, 46mm, 50mm, 52mm. A set of five rings. The weight is 99g.
Note: There be slight errors in the size of the product due to different measurement methods, measurement tools, etc., generally within ±3 millimeters (5g). This is normal and not belong to quality issues or inconsistencies in the introduction!