CPBP CRL Binding PostCardas Patented Binding Post (CPBP) with long, rhodium over silver plated binding posts A single unit consists of a single knob, the top clamp, two posts, the base, and a 1 4 28 allen bolt. To install on a pair of speakers, you will need two units. Designed as an OEM system, Cardas CPBP CS Binding Post can replace most stock binding posts. A single knob tightens both leads of the connected cable at the same time, without tools. The contact posts have