Plain Square with Round Edges Modern Ring Mandrel LeCoultre® 881 For measuring the thread of

For measuring the thread of winding stems and crowns as well as the diameter of tubes

setting lever spring screw to fit Jaeger LeCoultre® calibres: 12A

regulated to fit Jaeger LeCoultre® calibres: 9UO

Omega® 140

Material: Swiss Made blue steel *not in ring holder

Plain Square with Round Edges Modern Ring Mandrel LeCoultre® 881 For measuring the thread ofRing Mandrel this mandrel is for square ring shanks. It is graduated from 12mm to 24mm. Can be used for holding, shaping and straightening rings. This mandrel is also finger shaped, meaning corners offer a more natural and comfortable fit. A plain hardened steel mandrel that can be used for shaping straightening and enlarging rings. Also for gauging and holding rings while stone setting. This mandrel is extra hard for superior performance for forming.