Size: It correspond up to 420/428/520/525/530 It is possible to cut the chain, press-fit the plate, and caulk 3-operations. It corresponds to the chain of 420/428/520/525/530 size with a simple parts composition considering the work flow. It adopts lightweight aluminum for the body. It fits neatly into the tool box without variations in parts, by being able to store the head pin in the body (inside the handlebar).