Description: Made of alloy steel makes it with the highest durability. The tap is the most important tool for manufacturing operators to machine threads. Combination of sets to maximize the operator's needs Perfect for auto repair and machinery. Easy to operation even in narrow space. Specification: Matrerial: Alloy Steel Color: As picture show Size: M1 M1.2 M1.4 M1.6 M1.7 M1.8 M2 M2.5 M2.6 M3.5 Package Includes: 10 Pieces/Set Mini Hand Machine Screw Tap