YSKM3015P
1PCS New For Yinsh Precision Bearing Lock nut YSK-M30X1.5P Clasp Locking
This product shows the Case name on both the box and the unit.
1PCS New For Yinsh Precision Bearing Lock nut YSK-M30X1.5P Clasp Locking#
A nice touch with this unbranded item is how easy it is to clean.