Compatible with Jura Capresso Impressa C-D-E-F-S-X-ENA-GIGA coffee machines. Special bit key for removing screws on the back wall of coffee machines. Refer to the product image for the installation position of the seal. High temperature resistance and low temperature resistance. Sealing element made of silicone material, wear-resistant, corrosion-resistant, and easy to use. Color: As shown Material: Metal + Silicone Due to different product batches, appearance may vary slightly; this does not affect functionality. Package Contents: 1 x Repair Tool 5 x Big Red O-Rings 10 x Small Red O-Rings 10 x Small Black O-Rings Contents limited to the items listed above; other products are not included. Note: Lighting reflections and display differences may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm.