ITEM NAME:Pressure Washer Adapter Extension 1/4in Foam Pot Converter for Gemi PA10 Description: 1/4in Quick Disconnect Working pressure is up to 3600 PSI. Made of brass and stainless steel. One end connects gun to pressure washer nozzle tips or foam cannon with 1/4in plug. The other end is inserted to gun and rotate the adapter clockwise. Specification: Material: Brass/Stainless Steel PA3 for Karcher K3 Series 17.5x2.4cm/6.89x0.94in PA4 for Yili 4/5 Series 17x2.4cm/6.69x0.94in PA5 for KEW Male 19.3x2.4cm/7.6x0.94in PA6 for Karcher K Series Brass Adapter 15.5x2.4cm/6.1x0.94in PA7 for Blcakdecker 17.3x2.4cm/6.81x0.94in PA8 for Lavor 16x2.4cm/6.3x0.94in PA9 for Gemi 16x2.4cm/6.3x0.94in PA10 for Nilfisk 16x2.4cm/6.3x0.94in PA11 for Bosch 16x2.4cm/6.3x0.94in PA1 for Karcher HD Series 1/4 Threaded Rod Package Includes: 1pc Pressure Washer Adapter.PA9 for Gemi 16x2.4cm/6.3x0.94in. PA10 for Nilfisk 16x2.4cm/6.3x0.94in. 1pc Pressure Washer Adapter. The other end is inserted to gun and rotate the adapter clockwise. PA6 for Karcher K Series Brass Adapter 15.5x2.4cm/6.1x0.94in.