Hardened and tempered bow springs assure uniform tension without side play.
Adjusting screw has self-seating washer and nut for quick adjustments.
Legs made from special caliper steel with hardened points.
Used in marking circles, tracing contours and transferring measurements.
Conforms to government specifications GGG-C-95.
WARNING: This product can expose you to chemicals including Nickel (Metallic), 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