3862 Cimex Instalock Pad Drivers (set of 3) for 15" (15 inch) Cimex Machines Floor Care and Commercial Carpet Cleaning. These are the pad drivers for attaching pads and bonnets to the Cimex (such as the FiberPlus pads). The Instalock drivers hold the FiberPlus pads for carpet scrubbing. Compatible with commercial carpet cleaning using encap (encapsulation carpet cleaning) as well as hard surface cleaning. In addition to holding carpet cleaning pads, these pad drivers for the Cimex machine can be used for any type of floor care pad too.