General Tools 45210 Outside Calipers 10 Inch Jaw Capacity

From the Manufacturer

This outside caliper is made of forged steel and meets government specification GGG=C-95. It has tempered bow springs and fulcrum spools for uniform tension with no side play. The caliper has an adjusting screw with a self-seating washer and nut to permit quick and positive adjustments. Hardened measurement faces. Size 10".