1.Hinge: component of the assembles ,uesd as the base of the LCDMONTIOR
Material:Iron and Plastic
2.Tool parts is used for superior pen
Material:copper,chrome plating
3.Rivet:used for LCD TVs
Material:6061-T6aluminium.
Size:different sizes,about twenty.
Type:two(one with tooth,another with six angles.
Length and top circle are different