Dimensions: Inside Diameter: 0.26" (6mm); Outside Diameter: 0.47" (12mm). Working pressure: 180bar/2610psi. Burst pressure: 540bar / 7830psi. Maximum temperature: 60 / 140 Quality assurance: Both ends of the high-pressure extension tube are equipped with rubber sleeves. The hose is made of high-quality, high-tension braided fiber material for greater flexibility, durability, and abrasion resistance, and features brass fittings for extra durability and rust resistance. Each water pipe has undergone a high-pressure test before leaving the factory to ensure that each water pipe can be used normally. Quick Connection: Two types of C-clip quick connection, through the quick connection system, you can quickly snap in and out of the pressure washer and spray gun, saving time and effort. A perfect fit that garden lovers won't want to miss Convenient storage: Equipped with a storage belt, quickly organize the water extension hose and save more space. COMPATIBLE WITH MOST KARCHER PRESSURE WASHERS FROM K2 TO K7 - Compatible machines include K 2; K 2 Compact; K 2 Complete Control; K 2 Complete Control Home; K 2.850; K 4 Compact; K 4 Complete Control; K 4 Full Control Home; K 5 Compact; K 7 Compact; K 2 Compact Car and Home; K 2 Premium Full Control Car and Home; K2 Compact Home; K4; K4 Home; K4 Quiet House; K5 Complete Control the home page. (Please check the fitting size carefully when ordering the hose. Or contact us to confirm the hose model before ordering.)