300-Piece M3/M4/M5 Stainless Steel Thread Insert Kit

1 In the event of a threading error or repair of a damaged female threaded hole, a threaded insert can be used as a means of repair to provide a cost-effective recovery of the screw hole. 2 High quality stainless steel material can make sure the durability and stability of the product 3 The wire threaded insert set are placed in the screw hole of the workpiece such as aluminum alloy to form a high-strength, wear-resistant, high-accuracy female thread. 4 It is convenient and quick to convert metric and inch threaded holes with wire threaded inserts. 5 There is a box which you can store and convenient to carryItem Type: Threaded InsertMaterial: Stainless Steel 

What's in the box
M3x0.5 Threaded Inserts:
20 × 1D
20 × 1.5D
20 × 2D
20 × 2.5D
20 × 3D
M4x0.7 Threaded Inserts:
20 × 1D
20 × 1.5D
20 × 2D
20 × 2.5D
20 × 3D
M5x0.8 Threaded Inserts:
20 × 1D
20 × 1.5D
20 × 2D
20 × 2.5D
20 × 3D