对刀块 meaning in Chinese

feeler block

The parts and units of jigs and fixtures . round tool aligner
机床夹具零件及部件.圆形对刀块
The parts and units of jigs and fixtures . square tool aligner
机床夹具零件及部件.直角对刀块
The parts and units of jigs and fixtures . rectangular tool aligner
机床夹具零件及部件.方形对刀块
The parts and units of jigs and fixtures . tool aligner to be fined on side
机床夹具零件及部件.侧装对刀块