The Pneumatic Quick 60 Piece Push to Connect Fittings Kit by C Gele is a versatile assortment of fittings in various shapes, with a common end size of 1/4 inch. These push-to-connect fittings are ideal for pneumatics and plumbing applications, offering easy installation and secure connections. The open container packaging provides easy access to the fittings, making it convenient for both professionals and DIY enthusiasts.