Spare / replacement grub screws for plain coupling inserts. Sold individually.
2mm plain coupling insert for coupling units. Sold individually.
(includes grub screw)
2.3mm plain coupling insert for coupling units. Sold individually.
3mm plain coupling insert for coupling units. Sold individually.
3.2mm plain coupling insert for coupling units. Sold individually.
4mm plain coupling insert for coupling units. Sold individually.
3/16" plain coupling insert for coupling units. Sold individually.