Description: 【Quality Material】: Hydraulic Oil Service Plugs are made from premium silicone with high toughness, these plugs offer great durability and reliable sealing performance for various applications 【High Performance】: Withstanding temperatures from -20°C to 280°C, they are ideal for use in powder coating, painting, anodizing, and other high temperature processes 【Leakproof Design】: These Industrial Hydraulic Hose Plugs are designed to avoid drips and leaks efficiently by securely sealing unused or open hoses, maintaining the integrity of your hydraulic system 【Dimensions】: The set includes three sizes—large 3.8 cmx14 cm/1.50 inchx5.51 inch, medium 2.6 cmx9.3 cm/1.02 inchx3.66 inch, and small 1.3 cmx7.7 cm/0.51 inchx3.03 inch—to fit a wide range of holes and openings 【Multifunctional】: Multifunctional design makes them suitable for sealing, blocking, or protecting tubes, bottles, laboratory equipment, and more Specification: Material: Silicone Size Chart: L: 3.8 cmx14 cm/1.50 inchx5.51 inch M: 2.6 cmx9.3 cm/1.02 inchx3.66 inch S: 1.3 cmx7.7 cm/0.51 inchx3.03 inch Package Includes:8 Hydraulic Oil Service Plugs(1 Large, 2 Medium, 5 Small) Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.