![BB Lock Edge](https://easyfairsassets.com/sites/188/2024/05/Edge.jpg)
BB Lock Edge
The BB Lock edge is a lifting thread that is inserted into the face and lifted. This product is a molding cog product that is currently popular around the world and has a strong barb shape. In addition, since the barb is made in both directions, it transmits power to the barb in both directions
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