420Pcs M3 M4 M5 Threaded Inserts Assortment Kit for 3D Printing Components, Metr

Size M3 M4 M5 M2 M3 M4 M5 M2 M2.5 M3 M4 M5 M6 M2 M3 M5 M6. Common specifications: We have created this set of inserts using a large quantity of M3 inserts combined with M4 and M5 inserts, based on the most commonly used specifications by 3D printing enthusiasts.

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