DescriptionHigh-quality, professional, strong, practical, all of advantagesyou want for the pneumatic connector are all here. Adopted of premiummaterial, it is durable for long lasting use. Simple to connect anddisconnect. Resistant to corrosion, and have long term to use in dailylife.Features- Color: Assorted Color.- Material: Cast iron, Steel. - Size: About 7.00X7.00X3.70cm/2.75X2.75X1.45inch. - Adopted of premium material, it is safe, sturdy and durable for long time use. - Processed with electroplating technology, it provides you with safe and reliable work. - Designed for quick and easy insertion. Not easy to leakage or detachment. - Resistant to corrosion, strong connection, high strength, excellent workmanship. - Compact size, easy to carry, it can be used for a long time.