Made of high-quality plastic materials, practical and durable. Easy to use, easy to install, convenient and fast, quality soft edge no oil leakage. When drawing butter, the grease-gun will not be dirty and the butter will not be wasted. Outer Diameter: approx 29cm/11.42 inches; Inner Diameter: approx 24cm/9.45 inches. Suitable for 400/600/800/900cc grease-gun. The oil suction tray is used to cover the top of the oil barrel to facilitate oil absorption. One barrel can be used until the grease is exhausted, so that the residual amount in the barrel is very small. Specifications: Material: Plastic Outer Diameter: approx 29cm/11.42 inches Inner Diameter: approx 24cm/9.45 inches Type: A/B/C Note: 1.Please allow 1-3cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Includes: 1x Oil Suction Pan