Durable steel construction: Crafted from premium steel and enhanced through spraying and electroplating processes, this product is impact and scratch-resistant, ensuring a long-lasting performance. Easy adjustment knobs: Equipped with knobs on both the bottom and sides, this tool allows for effortless adjustments of the lower wheel height (0.79 inches) and rotation angle (90 degrees), enabling precise control for various tasks. Flexible lower wheels: The varying sizes of the lower wheels facilitate the creation of dents, welds, and other features of different dimensions, making this tool suitable for a wide range of applications. Manual operation: Shape steel and aluminum efficiently by manually moving the metal wheels back and forth, without relying on electric, pneumatic, or hydraulic power, for a straightforward and effective experience. Service ：We value your shopping experience! If you have any questions, please contact us, and we will respond within 24 hours.