SAVE ENERGY TIMEThe blade of the pneumatic nibbler is treated by hardening, long service life.and this long life chisel will save you a lot of time and energy when purchasing replacement HARDNESS ADAMANT This pneumatic nibbler is made of high quality material, durable to use, with extremely high hardness and strength, refined material, stable structure and superior performance. PRACTICAL LIGHTThis powerful air nibbler is lightweight and convenient to use. Even though the structure looks simple and compact, it has superior performance. HIGH ROTATION SPEED This high speed pneumatic nibbler alloy casing is high hardness, not easy to damage.and these pneumatic scissors have very fast rotating speed which makes your work more efficient. WIDELY APPLIED These air scissors provide strong cutting capacity and smooth operation and are used in automotive sheet metal operations, sheet steel cutting and a variety of metal cutting operations.