BERNINA GENUINE NEEDLE CLAMP SCREW - OLD TYPE SHORT
Slotted Screw Fits older models which take a short screw
530, 534, 540, 640-2, 700, 701, 707, 708, 709, 710, 717, 729, 730, 732, 740, 750,
807, 808, 809, 810, 811, 817, 819, 830, 831, 832, 840, 850, 900