High quality and professional workmanship make it very resistant to high pressure. Durable feature makes it can be used compatible a long time. Good airtightness makes it very reliable and useful compatible you to use. The simple method of use will not waste your energy and time. Made of brass and stainless steel, it is very durable to use. There are four specifications compatible you to choose from: 10cm, 20cm, 40cm, 60cm. It is very suitable compatible inflating tires of cars, motorcycles and bicycles. Item Name: Air Pump Extension Tube Material: Brass,Stainless Steel Color: Black Scope of Application: Tire Inflation Specifications: 10cm, 20cm, 40cm, 60cm Features: No Air Leaking, Quick Connect, Threaded Interface Size Details: 10cm: Length: 10cm/3.94" (Approx.) 20cm: Length: 20cm/7.87" (Approx.) 40cm: Length: 40cm/15.75" (Approx.) 60cm: Length: 60cm/23.62" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Instructions: 1. Connect the external thread to the outlet nozzle of the air pump 2. Connect the quick connect inflation chuck to the tire mouth Package Includes: 1 x Air Pump Extension Tube