1.compact，light,fast.used on carbon steel for digging round and square holes 3mm or below for other punching continous working to approach woring point.

2. Punching widely range for swithboard transmissiom panel,mater stell punching operate conveniently smonth without burrs.

3. Six kinds of ,two bolts,one washer,hole digger and palstic carrying case.

4.Using for digging square hole with square moulds. Any Special round moulds can be customer made.

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