Cuplock Horizontal Ledger is a component of the Cuplock scaffolding system, which is a type of modular scaffolding system used in construction, maintenance, and other industries. The Cuplock system consists of several different components that can be easily assembled and disassembled to create a stable, strong, and flexible scaffolding structure. The Cuplock Horizontal Ledger is the horizontal component of the Cuplock scaffolding system, it is a steel tube or pipe that connects and supports the vertical standards.