1856 types of allen key products are offered for sale by suppliers on Alibaba.com, of which wrench accounts for 59%, hex keys accounts for 25%.
A wide variety of types of allen key options are available to you, such as steel, chrome vanadium steel and carbon steel.You can also choose from oem, odm and obm types of allen key,as well as from chrome, natural, and black oxide types of allen key,and whether types of allen key is industrial, or diy.