12mm Adaptor for #4731 M4 to M12 Metric Threaded Adaptor.

T&E Tools Six 10mm Threaded Adaptors Fit:

Item No. Size
4731-4 4mm
4731-5 5mm
4731-6 6mm
4731-8 8mm
4731-10 10mm
4731-12 12mm
Barcode # 9322159947373