Pt # 030475.51.00
Used to loosen or tighten needles into the Needle bar
Bernina Edgestitch Foot #10, #10C, or #10D
Bernina Reverse Pattern Foot with Clear Sole #34, #34C or #34D
Bernina Zipper Foot #4 or #4D, #14D, #35 (invisible) or #54 with non-stick sole
Bernina Jeans Foot #8 or #8D
Bernina Buttonhole Leveler