🔧【Nuts and Bolts Set Size】 Our hexagon socket screws and nuts: M3: M3X10, M3X20, M3X25, M3X30;M4: M4X10, M4X20, M4X25, M4X30;M5: M5X10, M5X20, M5X25, M5X30;M6: M6X10, M6X20, M6X30, M6X40, each size 40pcs(M3 M4 M5 M6).
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