SPM’s Manual External Clamp For Dss Pipe is precision Bored for Perfect Roundness and Pipe Sizing. We are manufacturer and supplier of Pipe Fit-up Outer Clamp in Russia, USA, UAE, Australia, Malaysia. Our Cage type Clamps are ruggedly built of quality steel to last longer. Additional sizes are available upon request. All pipe fit-up outer clamp are precision fitted to the proper specification to ensure proper alignment and quick clamping with a convenient hand lever for quick line-up of the pipe.