Quick connection, no spanners required. Made of copper, high strength and hardness. Mini size makes it convenient to use. Durable in use. Easy to install. Specification: Material: Brass Color: Gold Connecor Size: S1: M14/22 to G1/4inch, approx. 7x2cm / 2.76x0.79inch S2: M14/22 to G1/4inch, approx. 7x1cm / 2.76x0.39inch S3: M14/22 to G1/4inch, approx. 5x4cm / 1.97x1.57inch S4: M14/22 to G1/4inch, approx. 8.5x2cm / 3.35x0.79inch S6: M14/22 to G1/4inch, approx. 10x2cm / 3.94x0.79inch S7: M14/22 to G1/4inch, approx. 7x2cm / 2.76x0.79inch S8: M14/22 to G1/4inch, approx. 6x2cm / 2.36x0.79inch S9: M14/22 to G1/4inch, approx. 8x1cm / 3.15x0.39inch S10: M14/22 to G1/4inch, approx. 8.2x3cm / 3.23x1.18inch Used to connect of high pressure water pot and high pressure water tools and other car washing equipment Package Includes: 1 Piece of Snow Foam Lance Adaptor Note: Pls allow 1-3mm error due to hand test The color may be different for the different display, pls kindly understand Pls check your correct replacement parts before purchase, the picture show more detail, thank you Note: 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.