Now making custom bends with rigid tubing could not be easier. With the Bykski Rigid Tubing 45/90/180 Degree Bending Kit - 16mm OD you can make consistent bends every time! Once your tube is heated you can mold the tube using this bending tool for angles of any size. These tool has mount holes that allow you to mount to a hard surface for a more permanent work station. Features Works w/ 16mm Designed For Perfect Bends Specifications Compatibility Size:12mm OD rigid tubing Material: PETG, PMMA, Copper Parts Included 1x PrimoChill Rigid Tubing 45Degree Bending Tool - 16mm OD 1x PrimoChill Rigid Tubing 90Degree Bending Tool - 16mm OD 1x PrimoChill Rigid Tubing 180Degree Bending Tool - 16mm OD Warnings Practice using the bending tool on some scrap rigid until you get the hang of how best to use it! PrimoChill is not responsible for any damage caused by or when using this product. Please use at your own risk.