20 Pieces Groz-Beckert BlindStitch Sewing Machine Needles.

LWX5T will fit industrial blindstitch machines from Consew, Columbia, US Blindstitch, Rex and many more.

Needle system : LWX5T, 251EL

These needles also cross to these different needle systems : 

251EL, 251LG, 300, 29BNL, 29CB, 29-C-300LG, LWX5T, SY7425