APPLIED FOR THREAD INSERTS CONNECTION AND REDUCES THREAD INSERTS DAMAGE--Steel thread inserts used in low strength materials such as aluminum, , can avoid thread damage and get a good connection performance, to enhance connection strength and improve connection condition perfect TOOL FOR SCREW THREAD REMOVING--Used for parts that requires frequent removing, it can greatly improve service life and wear-resistance of screw thread STRONG ELASTICITY INCREASES SCREW THREAD CONNECTION AND REDUCES FATIGUE RESIST--Because of a certain elasticity, thread insert can even the load distribution on each thread, eliminate pitch and tooth deviation between screw and screw hole, and absorb vibration, thus increasing the screw thread connection strength and fatigue resistance ANTI-LOOSE FITS FOR HIGH COEFFICIENT INSURANCE--It can prevent screw from getting loose, especially used for products requiring high coefficient of insurance EASY TO OPERATE AND MAINTENANCE--Easy to maintenance, install a thread insert into a damage screw hole, then the screw hole can be used as normal, in order to avoid workpiece loss Colour: silver Material: stainless steel Package Contents: 20 x M3 x 0.5 x 1.5D thread insert 20 x M4 x 0.7 x 1.5D thread insert 20 x M5 x 0.8 x 1.5D thread insert 10 x M6 x 1 x 1.5D thread insert 5 x M8 x 1.25 x 1.5D thread insert 20 x M3 x 0.5D x 3D thread insert 20 x M4 x 0.7 x 3D thread insert 20 x M5 x 0.8 x 3D thread insert 10 x M6 x 1 x 3D thread insert 5 x M8 x 1.25 x 3D thread insert Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.