- Etched stainless steel rule and hardened steel base
- Spring tension nut simplfies operation by securing graduated stainless steel rule in milled slot at 90° angle to base
- Rule graduations: Every 32nd and 64th of an inch
- Rule dimensions: 6 x 1/4 in.
- Base width: 2-1/2 in.
- Prop 65
⚠ WARNING: This product can expose you to chemicals including lead, which is 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.