first mirror mount and second mirror mounts for 25 mm lens and 30mm mirror

 All the products are test and check carefully before sending to customer , we will package it well with standard card box and with some stuff like  sponge 

we will ship the items by EMS , DHL or  Fedex . TNT UPS , and by air transport or by sea , 

Any way the the shipping way will depend on the quantity and customer 's required , 

We also can send the goods to customer agent or client

 24 hours one line serive , technical support  

Any more required please feel free to contact us 

Shenzhen Reliable Electromechanical Technology Company is devoted to R & D,sales and service of CNC engraving machine,CNC cutting machine, co2 laser stamp engraving machine, CO2 laser engraving machines, CO2 laser cutting machine, CO2 laser marking machine,YAG marking machine,YAG cutting machine, fiber marking utting machine,plasma cutting machine and their accessories.Our company have excellent R & D team, responsible production team, professional sales and after sale

 1 How to choice the laser haead and mirror mounts ?

Depend on the lens and mirror  diameters,

2.how to know the diameter for head and mirrounts ?

You can take a measure for them . 

3.how to know if the heads fit for your old machine , 

You can take a measure for them . or check the frame outside look