K-T Industrie's 5-Piece Industrial 1/4" Coupler Kit provides a complete, high-performance solution for pneumatic systems, featuring one 6-5106 1/4" NPT female coupler, two 6-5101 1/4" NPT male nipples, and two 6-5102 1/4" NPT female nipples. Fully interchangeable with most Industrial Series couplers and plugs from other manufacturers, this kit is built for durability with zinc-plated solid brass bodies and sleeves, stainless steel springs, hardened steel locking balls and valves, and reliable Buna-N seals. The plated steel plugs include hardened wear points, ensuring long-lasting, leak-resistant performance for demanding shop, garage, and industrial applications. | K-T Industries 5-Piece Industrial 1/4'' Coupler Kit