A description of all the exhibited items is made as objective as possible. 
In the specification, there are technical, physical and other characteristics.
 Are listed all defects and deficiencies.
 I am always ready to answer your questions honestly and impartially.

Module - 3,0
             Pressure angle - 20 deg
             Outside diameter D : 78,0 mm  
            Hole diameter d : 26,0  mm           
             Thickness     -  11 mm
              teeth  Z -  12
               


Material P6M5 - M2

C - 0,82 - 0,90 %
Si < 0,5 %
Mn < 0,5 %
Ni < 0,4 %
S < 0,025 %
P < 0,03 %
Cr - 3,8 - 4,4 %
Mo - 4,8 - 5,3 %
W - 5,5 - 6,5%
V - 1,7 - 2,1 %
Co < 0,5 %

HRC 68-70

Discount for the combined shipping
I ship all my items worldwide.
I will add a tracking number in EBAY 

Delivery times depend on courier services, and not on me.
 "Please do not shoot the pianist. He is doing his best."
Oscar Wilde .