Clamp-on Trammel Points attach to beams up to 1-1/4 inches thick by any width or length. One end has a hardened steel point to act as a pivot. The other end is dual-function: holds either another point (included) or a standard pencil.
WARNING: This product can expose you to chemicals, including Lead which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, go to:www.p65warnings.ca.gov