The Moore & Wright Spring Joint Internal Calipers are manufactured from polished tool steel. Their bow spring ensures uniform tension over the working range. The adjustment screw is centrally mounted. These spring joint internal calipers conform to BS3123 standards.

Brand Name	Moore and Wright
Material	Polished tool steel
Manufacturer Model No	513R
Type	Caliper
Certifications Met	BS3123 standards
Spring Type	Internal
Size (mm)	75
Size (in)	3