3 Piece Set Toolmaker's “Yankee” Rapid Adjust Quick Spring Nut Dividers, Inside ID & Outside OD Calipers, 0-8.5” / 215 mm Range, Brass Fulcrum and Fine Adjustment, Flat Leg, C7-8, C8-8, C9-8
[Product Information]
Features quick-spring nut for rapid and precise fine adjustment
Features brass fulcrum and adjustment mechanism
Made from high-grade carbon steel with hardened and finely polished points
Yankee flat leg construction makes unit very durable; has substantially hardened spring