This comprehensive assortment features a wide selection of our most popular composite push-to-connect fittings, preloaded into a durable 40-compartment storage bin. Each bin comes affixed with labels that include images, sizes, and part numbers for quick and easy identification. Our composite push-to-connect fittings are designed for simple assembly and offer strong resistance to mechanical pull-out. They can be repeatedly assembled and disassembled without losing performance. Select fittings are also available with an optional swivel male pipe thread, intended for installation purposes only.