Toolmaker’s “Yankee″Quick-spring Nut, Rapid Adjust, Spring Dividers Calipers Compass, 0-4.25″/ 108 Mm Range, Brass Fulcrum And Fine Adjustment Mechanism, Flat Leg, C7-4 Sale

Maximum Opening Is 4.25″ / 108 Mm

Features Brass Fulcrum And Adjustment Mechanism

Features Quick-spring Nut For Rapid And Precise Fine Adjustment

Made From High-grade Carbon Steel With Hardened And Finely Polished Points

Flat Leg Construction Makes Unit Very Durable; Has Substantially Hardened Spring