2 Screw in Bulbs for your Sewing machine.
120V /15W. 15W - 110/120V . #658.
They have 1 pin contact on bottom with a 5/8" base. Bulbs are a little over 2" but the length of the bulb is not that important. If your bulb is a little longer the important thing is the base.
Will fit Bernina 530,540,640,
Viking 140,160
