ITEM NAME:Zipper Foot 2 Sides Sewing Machine For Brother Janome Singer Snap-on Models LJ Zipper Foot 2 Sides Sewing Machine For Brother Janome Singer Snap-on Models LJ a.imagelink a:hover.imagelink {color:#60000;.There are 2 bars on these feet allowing you to snap them on either the right or left side of the needle. This allows you to sew close to things. 1 pcs X Zipper Foot. Total length:Approx. 3 X1.7cm / 1.18"X0.67"(LXW).