Cord Stock COR Manufacturing Home /Standard Profiles Standard Profiles COR Manufacturing offers a selection of standard profile shapes other than round include: Square, Rectangular, Quad (X), U-channels and tubing. These profiles are available in many of the standard elastomers. Check out our various Cord Stock Sizes and Materials. COR Manufacturing's experienced team also specializes in producing custom profiles for your specific application needs. Get in touch with COR Manufacturing for more information.