刮(gua)(gua)刀有一(yi)(yi)個把手和鋒利刀片(pian),用(yong)(yong)來迅速刮(gua)(gua)掉(diao)字跡的工(gong)具(ju).鉗(qian)工(gong)用(yong)(yong)來刮(gua)(gua)削金屬的工(gong)具(ju),一(yi)(yi)般為(wei)三棱型,硬度(du)較高鉗(qian)工(gong)用(yong)(yong)來刮(gua)(gua)掉(diao)毛刺的一(yi)(yi)種(zhong)工(gong)具(ju).