1.桃形百分表主體 Peach shaped mechanical body. 2.表圈轉動圈為金屬外圈 Adjustable steel dial ring. 3.量桿上部為隨動于量桿的防塵帽 Anti-dirty screw rises while lifting measuring spindle. 4.帶公差指示器 With adjustable tolerance markers. 5.帶表圈緊固裝置 With dial locking screw.