1、APPLICABLE MODEL: The OEM number of the chain nozzle is 20090, suitable for HYUNDAI excavation equipment, with good adaptability and strong compatibility. 2、STAINLESS STEEL: The chain nozzle is made of excellent stainless steel, which can achieve good mechanical properties and good bearing capacity after special treatment. 3、REPLACEMENT PART: The excavator chain nozzle is a good oil cylinder accessory, which can directly replace the old or damaged ones, convenient and practical. 4、STANDARD SIZE: The cylinder chain nozzle has standard interface to ensure tight connection, no leakage and no falling off during use, which is safe and reliable. 5、MULTIPLE USAGES: The chain nozzle is suitable for excavator, roller, concrete pump truck, press, crane, mining and metallurgical machinery and other equipment.