https://www.ebay.com/itm/100-x-M2-x-3mm-Brass-Cylinder-Knurled-Threaded-Round-Insert-Embedded-Nuts-Ser/174290795290?_trkparms=aid%3D555021%26algo%3DPL.SIMRVI%26ao%3D1%26asc%3D20190711100440%26meid%3D06a34515f72740a9ae78f8714a9e76a9%26pid%3D100752%26rk%3D3%26rkt%3D8%26mehot%3Dpf%26sd%3D193230041051%26itm%3D174290795290%26pmt%3D1%26noa%3D0%26pg%3D2047675%26algv%3DSimplRVIAMLv5WebWithPLRVIOnTopCombiner&_trksid=p2047675.c100752.m1982
is this the one??