Dimensions: ID: 8.8mm - OD: 12mm; Inlet Connection: M22 Female Thread; Outlet Connection: Snap-in Connection. Suitable for K2, K3, K4, K5, K7. Compatible with pressure washers and threaded connections. It quickly clears your clogged pipes, drains, and gutters. High-pressure extension hose for greater flexibility, braided steel wire for pressure washer with rubber coating, abrasion-resistant. It works on pressure washers with a pressure of up to from 1000 to 2320 psi. Connects directly to the pressure washer gun, for cold water only. M22 plug and click for pressure washer. Allows you to immediately connect or disconnect the hose by pressing the gun lock button. Flexible hose with kink protection.