20T/3.175mm M1 Hardened Steel Pinion Gear (1pc)

Hobbyking 20T/3.175mm M1 Hardened Steel Pinion Gear. Supplied complete with shaft locking grub screw. 

Specs: 
Material: Hardened steel 
Finish: Hard coated 
Pitch: M1
To Fit Shaft Size: 3.175mm 
Teeth: 20
Weight: 10.31g