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                                                        1. ZT250-S Adjusting nut locking washer | 
                                
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                                                        2. ZT703-F direction column adjusting screw nut M24×1 | 
                                
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                                                        3. ZT250-S Adjusting nut rubber pad | 
                                
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                                                        4. ZT350-R upper dust cover | 
                                
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                                                        6. ZT250-S conjoined steel ball | 
                                
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                                                        7. ZT250-S upper steel bowl | 
                                
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                                                        8. ZT150T-M lower seat ring | 
                                
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                                                        9. ZT150T-M conjoined steel ball | 
                                
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                                                        10. ZT703-RR lower plate (self-made/with shaft ring) | 
                                
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                                                        11. ZT350-R dust cap(down) | 
                                
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                                                        12. ZT150T-M lower shaft ring | 
                                
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                                                        13. GB70.1M8×35 (10.9 grade/environmental color) | 
                                
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                                                        14. Inner plum blossom shaft shoulder screw M6×14+diameter 8.5×2.9 (304 stainless steel) | 
                                
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                                                        15. ZT703-RR Lower Connecting Plate Cover | 
                                
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