Mono Head Pre-Tensioning Wedge is used for securing roof plates. The Pre-Tensioning Wedge can be used on one, two or multiple strand cable bolts as required by the construction. The Pre-Tensioning Wedge is suitable for additional use of pre-stressing cable bolts prior to grouting. The Mono Head Pre-Tensioning Wedge can be availed in various shapes and sizes to suit the requirements of construction.