Compatibility: This Toilet Flush Plate Handle Rod kit is specifically designed for Wall Hung Toilet Concealed Flush Plate Versatile Fit: Compatible with a range of S-igma ,R&T,WDI plates (optional) including S-igma01, S-igma20, and S-igma5, ensuring broad usability across different models Premium Material: Constructed from quality POM material, this product offers great durability and reliability for long-term use Product Dimensions: The kit includes rods of varying lengths,There are three sets to choose from(three different sizes), to accommodate different installation needs Comprehensive Package: Each purchase includes a set of four components to provide a complete solution for your installation requirements Specification: Material: POM Size Chart: For S-igma: Length 12.2cm/4.80inch and 14.5cm/5.71inchorFor R&T: Length 15.7cm/6.18inch and 13.1cm/5.16inch (optional)orFor WDI : Length 13cm/5.12inch and 12cm/4.72inch (optional) Package Includes: 4 piecesToilet Flush Plate Handle Rods Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.