7 Sizes?Total 150 pcs thread lock nuts. Include 40 pcs M3 lock nuts, 35 pcs M4, 25 pcs M5, 24 pcs M6, 20 pcs M8, 4 pcs M10, 2 pcs M12 locknut, which is more fully equipped. M8 --- 20 PCS. M4 --- 35 PCS.
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