Feature thin stainless steel needle designed for tight gaps, perfect for debris from air conditioning radiators and washing machine drums without disassembly Include straight and curved needle rods to tackle different angles, with arched design ideal for hidden corners and hard to reach areas for home appliances Equipped with a standard 1/4inch quick connection plug, easily attaching to most pressure washer guns and extension rods for secure installation Made from stainless steel to withstand high pressure, with a sturdy construction ensuring stable water flowing and rust resistance Essential for HVAC maintenance and detailed equipment , effectively dirt and buildup from air conditioning evaporators, condensers, and narrow mechanical parts