刮刀有(you)一(yi)個把(ba)手和鋒利刀片,用(yong)來迅速刮掉(diao)字(zi)跡的工(gong)(gong)具.鉗(qian)工(gong)(gong)用(yong)來刮削(xue)金(jin)屬的工(gong)(gong)具,一(yi)般為三棱型,硬度較高鉗(qian)工(gong)(gong)用(yong)來刮掉(diao)毛刺的一(yi)種工(gong)(gong)具.