Features: Best Replacement: A good replacement feed gears. Suitable: This drive gears fit for most sewing machines. Quality Material: Make of quality plastic material, durable to use. Perfect: This gear is perfect combination, all are necessary part for sewing machine. Applicable: Suitable for 414, 500, 505, 515, 525, 555FA, 570, 572, 600, 606, 610, 616, 666FA, 805, 806, 807, 808, 808E, 888, 906E, 2600, 2800, 2900, 2950, 3300, 3400 and etc.. Specifications: Material: Plastic Color: As The Picture Shows Package Weight: about 35g Diameter: about 2.7cm/1.06in Height: about 2.3cm/0.90in (More Size Detail, Please See Photo.) Note: Please allow 1-2cm error due to manual measurement. Please make sure you do-not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks Package includes: 1Pc x Hook Drive Gear