They are very high quality needles, i.e., without burrs which can cause the spearing of thread. 135 x 17 industrial needles. These needles have shanks that are completely round. 10 needles per pack.
Needle sizes are listed two ways, e.g., a #20 needle is also a 125 (European description) needle. A #10 is a small needle. A #22 is a large needle.
These Schmetz needles fit the following sewing machines:
Artisan 618-1SC Artisan SC LTHR Artisan 797AB-800/AB/ABN Artisan 797AB LTHR/ABNS LTHR Artisan 4420 Artisan 4420-25 Artisan 4400 Artisan 4400-25/LTHR Consew 206RB Consew 225 Consew 226 Consew 146RB Consew 255RB Juki LU56Z Juki LU561 Sailrite 111 Sailrite Professional Sailrite Ultrafeed LS-1 Sailrite Ultrafeed LSZ-1 Singer 111-W112 Singer 111-W151 Singer W153 Tacsew 111 Thompson Mini Walker