Technical Data:
Radius gauge base without digital indicator
Range of external radius (R1): 500-11250mm/19.685-442.913in
Range of internal radius (R2): 500-11250mm/19.685-442.913in
Accuracy: +/-0.005R
Accuracy formula: R is the radius to be measured; for R=100mm, accuracy is +/-0.5mm
Material: stainless steel

Dimensions:
L=300mm
Reference dimension=247mm
Contact radius=R5

Remark:
Digital indicator is not included