This MTB rear derailleur screw is mainly made of aluminum alloy,the structure is strong and tough,can endure abrasion and corrosion.Precision threads,easy to use,you can fix it on the mounting holes firmly,not easy to loosen or slide.The set contains 10 screw,you can use them to quickly replace the worn or damaged screws,and are fit for your other needs.The plastic cap is non-slip and comfortable to use,let you can do micro adjustment.Compact and lightweight design makes it easy to store in pocket,tool box and more,you can easily carry it around.

Specification:Material: Aluminum alloy + Plastic.Color: Black.Size: 5*25mm.

NoteThere might be a bit color distortions due to different computer resolutions.There might be a slight errors due to different hand measurement.

Package included:1* Set screw.(10pcs)