Function and scope of application: 1. Blade plate wheel eyebrow sheet metal plastic repair use. The eyebrow broadens the edge to increase the gap. Repair and modification of sharp weapons! 2. 4 or 5 ears 3. Suitable for most passenger cars and light trucks Installed directly on the hub operation is simple, easy to use 4. The adjustable arm has a second telescopic arm with a roller that allows the 180-degree wheel to rotate: the eyebrow shaping mainly uses the PVCundefineds small wheel to roll back and forth on the blade, flattening the convex part of the iron plate, and the small wheel is controlled by a handle. Adjust the angle to display the flared edges.