Description
Sewing Machine Bulb
SBC Bayonet Long – Type C – Screw in – 22x65mm (7/8”x2 1/2”)
SBC Bayonet Medium – Type B – Screw In – 22x55mm (7/8”x2 1/4”)
SBC Bayonet Small – Type A – Screw In – 20x48mm (3/4”x7/8”)
Note: Medium is the most popular size.