Available in two models for your selection. Capacity Model 122 : Copper Tube 1/2" - 2" (12 mm - 60 mm) Capacity Model 122XL:Copper Tube 1/2" - 4" (12 mm -120 mm) These machines are designed to cut, clean, ream and debur 1/2" to 4" copper tubing and fittings quickly and professionally. During cutting process, the reamer removes burrs from inside of the tubing. Guide Rollers ensure a straight cut with no tracking. The brush cleans the external surface in preparatio for joining. Deburring disk clean burrs from the outside of the tubing.