The Holder SY121930 adjustment wheel is a genuine OEM component designed for optimal performance and precise control in various Holder C-series machines, including models C250, C270, C350, C700, and C900. This essential part ensures accurate adjustments, maintaining the operational efficiency and reliability of your equipment. Manufactured to Holder's stringent quality standards, it guarantees a perfect fit and long-lasting durability for critical machine functions. With a diameter of 80 mm, a height of 20 mm, and a weight of 0.15 kg, this adjustment wheel is engineered for seamless integration.