50pcs Stainless Steel Thread Insert Set Installment Tool Kit Tool Kit for M1/4-20*1.5D Features:1. Thread steel inserts used in low-strength materials, such as aluminum, magnesium, can invalid thread damage nd get good connection performance, to increase the strength of the connection nd improve the condition of the connection.2. Used for parts that need frequent removal, it can greatly improve the service life nd wear resistance of the thread.3. Due to a certain flexibility, the thread insert can even distribute the load on each thread, eliminate the pitch of Nd teeth deviation between the screws ND screw hole, ND bsorb vibration, thus increasing the screws branch connection strength ND fatigue resistance.4. It can prevent the screw from becoming loose, especially for products that require high insurance ratio.5. Easy maintenance, for the installation of the thread insert into the damaged screw hole, then the screw holes can be used normally, for the purpose of invalid workpiece. Specification:Condition: Material: Stainless Steel Weight: Approx. 183g/6.5oz Mounting Tool Length: Approx. 9.5cm/3.7inMounting Tool Diameter: Approx. 1.5cm/0.6inBreaker Size: Approx. 14.5*7cm/5.7*2.8 Package List:50*Thread Insert (1/4-20UNC*1.5D)1*Dedicated Touch (ST1/4-20)1*Installation Tool (ST1/4-20)1*Breaker (1/4-20UNC)1*Drill Bit (6.7UNC) 1) accept lipay, West Union, TT. All major credit cards are re-ccepted through a secure payment processor escrow. 2) Payment must be made within 3 days of placing the order. 3) If you can't bring immediately after uction close, please wait for a few minutes nd try again payment must be completed within 3 days. About Shipping 1.