Hinged Straight Stitch Foot 52427. 

High Shank Straight Stitch Foot. 

The small needle hole of this foot prevents lightweight fabric from "buckling" and causing puckering or skipped stitches. 

It is also ideal for sewing very narrow seams.  

Designed to Fit Brother Sewing Machine Models: DB2-B738, DB2-B7910. 

Part Number: 52427 and P351.    

52427