刮(gua)刀(dao)有一個把手和鋒利(li)刀(dao)片(pian),用(yong)來(lai)迅速刮(gua)掉字(zi)跡的工(gong)具(ju).鉗(qian)工(gong)用(yong)來(lai)刮(gua)削(xue)金屬的工(gong)具(ju),一般為三(san)棱型,硬度較高鉗(qian)工(gong)用(yong)來(lai)刮(gua)掉毛刺的一種工(gong)具(ju).