The KQ2R plug-in reducer fittings from SMC are quick and easy to install into your pneumatic fittings. These KQ2R plug-in reducers are also more compact in design which means that these connectors can be used within a confined space. Plug-in reducers are designed to change the size of one-touch fittings. The new KQ2 range of products are lighter than previous models and have the advantage of improved insertion and removal forces