The SMC KK4P-06H KK Series S Couplers are designed for seamless and efficient connections with their straight type, one-touch fitting. These couplers are standardized for easy integration into your systems. Constructed from ultra high-impact PBT resin, these couplers offer durability and reliability in demanding environments. Ideal for applications requiring quick and secure connections, the KK Series S Couplers ensure optimal performance and longevity.