5 Piece Nitto Style Quick Fit Coupling Set Thread Quick Coupler - PKTool The PKTool 5 Piece Nitto Style Quick Fit Coupling Set is designed for fast, secure and reliable air line connections in workshop and garage environments. Built to suit Nitto-style fittings, this set allows for quick tool changes and efficient air system setup without unnecessary downtime. Ideal for compressors, air tools, and pneumatic equipment, the threaded quick couplers provide a tight and leak-resistant connection. Manufactured for durability and regular workshop use, this set is suitable for both professional tradesmen and DIY users who require dependable air fittings for daily applications. Whether you're setting up new air lines or replacing worn fittings, this 5-piece kit ensures compatibility and ease of use across a wide range of pneumatic tools. Set Includes 1 x Nitto Style Quick Connect (Standard Type) 1 x Female Thread Quick Coupler 3 x Male Thread Quick Couplers Features & Benefits 5-piece Nitto-style quick coupling set Designed for fast connection and disconnection Suitable for air compressors and pneumatic tools Threaded fittings for secure and leak-resistant connection Durable construction for workshop use Ideal for automotive and mechanical applications