Blister of 5 rounded bobbins, for sewing machines, in 66 K steel. Height 10.40 mm - ø 20.60 mm. Today's sewing machines operate on a lockstitch pattern. So you need a top wire and a bottom wire. The upper thread is therefore supplied by the spool of thread that you place on your spool holder. The bobbin therefore provides the lower thread. The sewing machine bobbin therefore plays just as important a role as the upper thread.
Your needs hasn’t been fulfilled? You should take a look at these Blister pack of 5 flat plastic sewing machine spools 15 K, this could help your sewing works! Get back and see our Machine bobbins category for more choice. You can also visit our "To sew by machine" category to complete your order!