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170 PCS Threaded Inserts: With 10 different sizes,including 1/4"-20 x 10 mm/15 mm/20 mm/25 mm(110 pcs), 5/16"-18 x 13 mm/15 mm/20 mm/25 mm(40 pcs), 3/8"-16 x 20 mm/25 mm(20 pcs). F

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Premium Quality Steel Metial: Made of carbon steel, color zinc plated on the surface. Have good corrosion resistance, high hardness and perfect wear resistance, standard internal h

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Easy To Install: Drill the holes using a 9.5 mm/12 mm/15 mm drill bit, making sure to insert the threaded inserts at a 90-degree angle, and then the inserts into the holes using a

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Wide Applications: Suitable for soft woods of pine, plywood, fiberboard, etc, This assortment kit is suitable for both professional carpenters and DIY enthusiasts, making it perfec

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EASY TO ORGANIZED: This threaded inserts assortment kit comes with a reinforced case, with thickened dividers and latches, keeping all threaded inserts well organized, clear labels