[THREAD REINFORCEMENT] Designed to enhance threads in soft materials, these self-tapping inserts create a robust internal thread hole that significantly boosts the durability of your applications. [UNIQUE ELASTICITY] Featuring an innovative elastic design, this insert evenly distributes load and provides excellent shock resistance, stable threaded connections even under pressure. [HIGH-STRENGTH MATERIAL] Made from stainless steel, these inserts offer impressive hardness and resistance to deformation, a long-lasting solution for your repair and reinforcement tasks. [EASY INSTALLATION] With a lightweight and compact design, these self-tapping thread inserts require only basic tools for installation, allowing for quick and efficient repairs without hassle. [WIDE APPLICATIONS] Perfect for repairing damaged internal threads or reinforcing new ones in materials like plastic and copper, making these inserts an essential addition to any toolkit.