Description: Sewing machine rotary Hook shuttle made of high quality steel material, durable, high strength and anti-corrosion. Simple to install and easy to use. light weight, convenient to store and carry. High speed cutting thread, it is very efficient and convenient. Stopping rotate faster preventing unraveling or tangling of bobbin thread when sewing operations stop and start. Fits for SINGER model: 1800, 1802, 1803, 1812, 1817, 1852, 1853, 1862, 1872, 1873, 2300, 2302, 2303, 2304, 2330, 2430, 2440, 2500, 2502, 2503, 2504, 2505, 2515, 2517, 2530, 2543, 2600, 2601, 2602, 2603, 2604, 2605, 2615, 2616, 2628, 2630, 2643, 2712, 2718, 2722, 2724, 2730, 2732, 2808, 2950, 3270, 3314, 3317, 3343, 343, 417, 4205, 4206, 4210, 4212, 4220, 4228, 4522, 4525, 4526, 4528, 4530, 4538, 4620, 4814, 4825, 4828, 4830, 4832, 5017, 5028, 5040, 5050, 5160, 5417, 5430, 5605, 5610, 5705, 5710, 57815, 57817, 57820, 57825, 5802, 5805, 5806, 5808, 5810, 5812, 5814, 5816, 5817, 5818, 5820, 5825, 5830, 5838, 6021, 6038, 611, 6201, 6202, 6211, 6212, 6214, 6215, 6217, 6221, 6606, 6620, 6700 Series, 6800 Series, 7015, 7025, 714, 717, 719, 7211, 7212, 724, 734, 774, 776, 8220, 9800, 9802, 9803, 9805, 9806, 9808, 9810, 9812, 9814, 9816, 9818, 9824, 9828, 9832, 9836, 9936, CG500, CG550, CG590, CM17, CP17, DL17. Specification: Material: Steel Size: 10x6cm/3.93x2.36inch Package Includes: 1 Piece Sewing Machine Rotary Hook Note: Size for manual measurement, there may be a 0 to 1 cm error, belongs to the normal phenomenon. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!