- Hardened steel pin in brass-plated frame improves rigidity
- Positive wing nut adjustment
- Accepts standard pens and pencils
- Maximum diameter: 8 in.
- Prop 65
⚠ WARNING: This product can expose you to chemicals including Nickel (metallic), which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.