Bobbins for Singer Concerto/Serenade/Harmonie sewing machines

• Sold each
• Suitable for Singer: Concerto 2, 3, 4, Harmonie 200, 2010, Touch Tronic 4611, 4613, 4617, 4623, 4624, 4633, 4637, 4663, Serenade 6233, 6234, 6235, 6238, 6250, 6251, 6252, 6266, Simphony 6267, 6288, 6269, 7000, 7005, 7027, 7037, 7043, 7050, 7060, 9113, 9117, 9123, 9124, 9133, 9137, 9143, 9210, 9217, 9224, 9240, 9416, 9417, 9900.
• Features: retractable metal pen in the middle.
• Dimensions: 25.5 x 9.63 x 5 mm.