| Material | steel( electroplating) |
| Inner Diameter | 5/6/7/8/10/12mm |
| Size | 5x5mm, 5x8mm, 5x10mm, 6x6mm, 6x8mm, 6x10mm, 7x7mm, 7x8mm, 8x8mm, 8x10mm, 8x12mm, 10x10mm, 10x12mm, 12x12mm(More details as the picture shown.) |
| Application | Widely used in hardware, tooling, mechanical transmission ect. |
| Quantity | 1pcs |
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