Shell Tool End Cutting Nippers

Code : SM-5, ST-507
Brand :

SM-5 110mm   End cutting nippers with spring???????????? SIZE(mm) A B C D E g/Weight 116 18 8 50 9 70g Cutting ability(mm) ?????? ??? ?? ??? Φ0.9 Φ1.6 Φ2.0 2.0??

ST-507 165mm   End cutting nippers??????? SIZE(mm) A B C D E g/Weight 166 35 11 50 10 205g Cutting ability(mm) ?? ??? ?? ??? Φ1.6 Φ2.6 Φ3.2 5.5??