The Adjustable Clamp 9850 is a Pony Mounted Bracket & Collars for 3/4" inch Pipe. It is ideal for limited space. The patented collar designs create a mounted base for Style No. 50 Pony pipe clamp fixtures for 3/4" inch pipe. The bracket is mounted onto wall studs or a frame and collars are placed into the bracket. Pipes are inserted into pre-drilled holes and secured with the thumbscrews. Pony # 50 clamp fixtures can be installed onto the pipe yielding a clamping frame, work-bench or free-standing work station.