Dear users are welcome to GAOHANG. Description: Did you lose the presser foot screw of your sewing machine? Always spend some time changing a screw? Check this universal foot screw which can change the presser foot screw in seconds. Easily and quickly improve working efficiency. Specification: Product Name: Industrial Flat Car Change Foot Screw Material: All Steel; Precision Casting Precision Machining Color: Silver Size: 1*3.4cm Applicable Models: Industrial Sewing Machine, Lockstitch Machine, Flat Car Package Includes: 1pc x Universal Foot Screw Features: Quickly Change This product replaces the thumb screw to fix the presser foot. Just press a button, the operation of the presser foot can be changed quickly without using a screwdriver. Permanent Usage Made of steel material, it is strong and durable, long service life. Easy to Use Longer thread, more friction, easy to use. Widely Used Suitable for most high-handle single needle household and industrial sewing machines. Note: Due to manual measurements, please allow slight measurement deviations. Due to the different display and lighting effects, the actual color of the item may be slightly different from the color displayed in the picture.