Fine adjustment and better balance provide a more sensitive feel. Legs are made from round stock. Fulcrum stud is hardened. Bearing surfaces of the legs are sufficiently large to prevent any side deflection.
6" Inside Caliper.
Resources
WARNING: This product can expose you to chemicals including lead which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.