The SP20 pneumatic mechanical tool coupler is designed for efficient and secure connections. Featuring a self-locking C-type design, this coupler ensures a reliable and leak-free connection every time. Made from durable plastic steel, it offers excellent resistance to wear and tear, making it ideal for various industrial applications. Features -Color:Black -Material:Plastic steel -Size:6.40X2.00X2.00cm/2.52X0.79X0.79in -Size:4.80X1.60X1.60cm/1.89X0.63X0.63in -Convenient and quick: the sp20 pneumatic tool coupler features a selflocking ctype plastic steel male and female connector, making it easy and fast to operate, saving time and labor. -Durable and efficient: made from plastic steel material, this coupler is highly durable and resistant to damage, ensuring longterm reliability and performance. -Versatile application: suitable for connecting various pneumatic tools, it is widely used in construction, machinery, automotive, and other industries, meeting diverse needs. -Secure and reliable: the selflocking design ensures a firm connection that does not easily loosen, safety during operation. -Efficiency booster: the and disconnect design enhances work efficiency, reduces downtime, and improves overall productivity. Package list: 12 pairs x male and female connectors