• Closed Length: 4-3/8"

• Material: Fiberglass Reinforced Plastic (FRP)

• Outside Measurement Range: 3" Max

• Graduations Every mm and 32nd Of An Inch On Front And 16ths Of An Inch On Back

• Etched And Filled Graduations For Easy Readings

• Used To Measure The Inside And Outside Dimensions Of Material

• Sized To Slip In Your Pocket

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.