Self-Locking Pneumatic Quick Coupling, 20SP+20PP

【Ball Locking】The internal spring-loaded ball locking mechanism engages in the coupler groove, preventing accidental disconnection when using high-vibration pneumatic tools while allowing for one-handed release.
【Treated Steel Body】The zinc-plated alloy steel body resists rust and moisture in compressor rooms, extending service life compared to untreated brass alternatives.
【Smooth Internal Bore】The precision-machined internal bore reduces airflow restrictions and prevents scratching of O-rings, ensuring consistent pneumatic tool performance and reducing seal wear.
【One-Hand Connection】The ergonomic design allows the operator to connect the fitting with one hand, reducing fatigue during repetitive tasks on assembly lines or in elevated workshops.
【Lightweight Compact Assembly】The assembly The 20SP plug and 20PP coupler fit easily into a tool pocket or toolbox, providing a ready replacement for household tire inflators and impact wrenches.