Features: _x000D_ 1. Made of high quality stainless steel, durable to use. _x000D_ 2. Large contact area, it can bear strong tension. _x000D_ 3. Strong resistance to vibration which can prevent loosening. _x000D_ 4. Easy and convenient to install, quickly and simply. _x000D_ 5. Widely used in the automotive industry, rail vehicle industry, shipbuilding industry, household appliances, construction machinery, business machinery, electronic products, engineering plastics, advanced furniture, aluminum die-casting and other industries. _x000D_ 6. Available in nine styles for your choice. _x000D_ _x000D_ Specification: _x000D_ Condition: 99.99% Brand _x000D_ Material: Stainless Steel _x000D_ Optional Style: Inner M3*0.5 Outer M5*0.6, Inner M4*0.7 Outer M6.5*0.8, Inner M5*0.8 Outer M8*1.0, Inner M6*1.0Outer M10*1.25, Inner M8*1.25 Outer M12*1.5, Inner M10*1.5 OuterM14*1.5, Inner M12*1.75 Outer M16*1.75, Inner M14*2.0 Outer M18*2.0, Inner M16*2.0 Outer M20*2.0 _x000D_ Weight: Approx. 4-100g / 0.1-3.5oz _x000D_ Length: Approx. _x000D_ Inner M3*0.5 Outer M5*0.6: 4mm / 0.2in _x000D_ Inner M4*0.7 Outer M6.5*0.8: 6mm / 0.2in _x000D_ Inner M5*0.8 Outer M8*1.0: 7mm / 0.3in _x000D_ Inner M6*1.0Outer M10*1.25: 8mm / 0.3in _x000D_ Inner M8*1.25 Outer M12*1.5: 9mm / 0.4in _x000D_ Inner M10*1.5 OuterM14*1.5: 10mm / 0.4in _x000D_ Inner M12*1.75 Outer M16*1.75: 12mm / 0.5in _x000D_ Inner M14*2.0 Outer M18*2.0: 14mm / 0.6in _x000D_ Inner M16*2.0 Outer M20*2.0: 14mm / 0.6in _x000D_ _x000D_ Package List: _x000D_ 10Pcs Thread Inserts 1Made of high quality stainless steel, durable to use. 2Large contact area, it can bear strong tension. 3Strong resistance to vibration which can prevent loosening. 4Easy and convenient to install, quickly and simply. 5Widely used in the automotive industry, rail vehicle industry, shipbuilding industry, household appliances, construction machinery, business machinery, electronic products, engineering plastics, advanced furniture, aluminum die-casting and other industri