1、Made of high quality stainless steel, it is of high hardness and low abrasion. 2、Greatly improve sength and stability of screws connection. 3、With certain elasticity and even load, it is resistant to vibration to avoid loosening. 4、Long service life – it can be used repeatedly. 5、Easy and quick to install with only one assembly tool.The self-tapping thread insert is a kind of fastener thatsengthens the thread, which can form a high-sength inner thread hole when embeddedin a soft material such as plastic, copper. It can also be used to repair the damagedinner thread.bFeatures: MsoListParagraph style=:12.75pt;-12.75pt;1. Made of high quality stainless steel, it is of high hardness and low abrasion.MsoListParagraph style=:12.75pt;-12.75pt;2. Greatly improve sength and stability of screws connection.MsoListParagraph style=:12.75pt;-12.75pt;3. With certain elasticity and even load, it is resistant to vibrationto avoid loosening.MsoListParagraph style=:12.75pt;-12.75pt;4. Long service life it cane used repeatedly.MsoListParagraph style=:12.75pt;-12.75pt;5. Easy and quick to install with only one assembly tool.MsoListParagraph style=:12.75pt;-12.75pt;6. It can also repair the damaged thread by installing into threadhole.bSpecification: Material: Stainless SteelQuantity: 50pcsColor: SilverPackage Weight: Approx. 192g/6.8ozbPackage list: 10 x M3*0.5-M5*0.5 L610 x M4*0.7-M6.5*0.75 L810 x M5*0.8-M8*1.0 L105 x M6*1.0-M10*1.5 L145 x M8*1.25-M12*1.5 L155 x M10*1.5-M14*1.5 L185 x M12*1.75-M16*1.5 L221 x Storage CasebNote:-12.75pt;-12.75pt;-17px;white-space:normal;Due to the difference between monitors and light effect, the pictures may not reflect the actual color of the item. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.