2.Teeth:
All the tooth made of high quality steel, durable and stay shape for a long time.
3.Wear Mark:
I
t's easy to know grinding degree, make it safe when working.
4.Hard Rivet:
All the rivet strengthened, and make it durable and hard.
5. Elastic Steel:
It makes the guide bar higher toughness and not easy to bend.
6.Chain Slot:
All slot strengthened, it makes chain more durable
7.Gear Head with Internal Bearing:
It keeps out dust and dirt. Also reduce the frequency of maintenance of guides because of enough oil.
8.Information chart:
laser-printing information keeps clear for all time.
