Your embroidery machine recognizes these Embroidery Positioning Stickers so it knows exact placement and rotation of where your embroidery designs will stitch. 63 stickers total. Fits Models: BLDY2, BLDY, BLMA2, BLMA, BLSA3, BLSA2, BLSA, BLSOG2, BLSOG, BLSO, BLTA2, BLTA, BMV10, BMVT10, BNT10L