It is durable and practical for you to use.
Compatible with most of rotary tools used in hardware,hobby,home,etc.
Suitable for installation inside diameter of less than 4.3mm drill,electric grinding,hanging mill,hose above.
Made of pure brass material, made by special heat treatment, it has higher hardness and durability.
Clamping Clamping Diameter: 0.5~3.2mm.
Color: Yellow
Material: Brass
Overall length: 18mm
Shank diameter: 4.4mm