Concave Step Chuck for 8mm Watchmaker Lathe

Brand new concave step chuck to hold barrels, wheels, etc.
The thread is metric size M7 x 0.75mm Very fine quality. You can select the size as following

No. 1 step chuck from diam. 7.0, 9.0, 11.0, 13.0, 15.0, 17.0, 19.0, 21.0, 23.0mm

No. 2 step chuck from diam. 6.6, 8.6, 10.6, 12.6, 14.6, 16.6, 18.6, 20.6, 22.6mm

No. 3 step chuck from diam. 6.2, 8.2, 10.2, 12.2, 14.2, 16.2, 18.2, 20.2, 22.2mm

No. 4 step chuck from diam. 5.8, 7.8, 9.8, 11.8, 13.8, 15.8, 17.8, 19.8, 21.8mm

No. 5 step chuck from diam. 5.4, 7.4, 9.4, 11.4, 13.4, 15.4, 17.4, 19.4, 21.4mm

Please note that the product picture is for reference purposes only and may not depict the exact item and size you are purchasing.
If you have any questions, please do not hesitate to contact us at anytime.