Description: 【Coffee Machine Repair】: This coffee machine repair tool key set is specifically designed for the maintenance of coffee machines. It comes with a set of silicone rings for use 【Premium Material】:The coffee machine oval head repair tool made from sturdy stainless steel material ensure long term to use 【Special Wrench】: The coffee machine oval head key includes a special wrench used for unscrewing the screws on the back wall of the coffee machine, making disassembly easy and convenient 【Premium Silicone Rings】: The silicone ring tool set is resistant to high and low temperatures, wear resistant, and easy to use. They provide sealing performance due to their silicone material 【Package Contents Dimensions】: The oval key repair tool has a diameter of 257mm and length of 60.4mm. The package includes 1 repair tool, 9 red silicone rings (40mm x 1, 12mm x 3, 10mm x 2, 9mm x 1, 7mm x 2)and 12 black silicone rings(7mm x 2, 7.8mm x 2, 8.5mm x 2, 10mm x 5, 14mm x 1) Size Chart: repair tool diameter: 25.7cm/10.12inch repair tool length: 6.04cm/2.38inch Package Includes: 1 repair tool; 9 red silicone rings (40mm, 12mm, 10mm, 9mm, 7mm);(40mm x 1, 12mm x 3, 10mm x 2, 9mm x 1, 7mm x 2); 12 black silicone rings(7mm, 7.8mm, 8.5mm, 10mm, 14mm );(7mm x 2, 7.8mm x 2, 8.5mm x 2, 10mm x 5, 14mm x 1) Note: Please allow slightly errors 1-2cm differences due to manual measurement.