[Material]:The thread Inserts are made of stainless steel material,offering wear resistance.This ensures durability and longevity,making them ideal for various applications [Variety of Sizes]:This set includes 8 different sizes of thread sleeves to meet your diverse needs.this set has got you covered [Enhances Durability]:This Thread Repair Kit can be used in various low strength materials to improve the wear resistance of bolt connections and prevent thread damage.They provide a reliable solution for maintaining the integrity of threaded assemblies [Convenient Storage]:All screw sleeves are neatly packed in a box measuring 13cmx7cmx3cm,making it easy to carry around and keep your workspace organized [Package Includes]:The set contains a total of 110 pieces including different quantities and sizes, Weight: 0.32628414776 Pounds, Manufacturer: AMSLSIU