1 环绕式打孔手柄unique round punching handle

    2 测纸厚度标尺comb size selector

    3 免打孔抽刀组punch release

    4 拉塑环手柄bindlng lever

    5 拉塑环机构comb bindlng opening system

    6 孔位指示punchlng holes guide

    7 纸边距调整钮punching margin setting

    8 纸张定位钮jogger stop

    9 底盖down cover