SDJZT 1PCS 0.5 Modulus 1.98mm 2.28mm 2.98mm Aperture Hole Diameter Single-head Copper Worm Gear Matching 2mm 2.3mm 3mm Shaft

Brand New and High Quality!Material:CopperSize:As shown in the pictureColor: GoldPackage Included:1PCSNote:1. Please note that the photo does not show actual size, please refer to Description for size details.2. Please allow 5-10mm differences due to manual measurement, thanks.3. Due to the difference between different monitors, the image may not reflect the actual color of the item.Note:Due to manual measurement, there may be errors in the dimensions and weight,Please understand;Colors may have color differences due to factors such as light, saturation, and pixels,We apologize for any inconvenience caused.