Universal 4-wire Aluminum Head, Complete With Adapter Washers - For Brushcutters With A Capacity Greater Than 30cc. Individual Display Box. Supplied With 8 Pieces Of 26 Cm Of Serrated Square Wire With A Diameter Of 3.5 Mm. Recommended Wire: R302165 - R302166 - Universal Multi-speed “speed” Heads Without Wire Feeder These New Super Professional Aluminum Heads Can Be Mounted On All Types Of Brushcutters With Left Rotation. The Washers Supplied Make Assembly Simple And Universal, Without The Use Of Inserts, Both With Male And Female Connections. In The Aluminum Upper Body It Is Possible To Insert All The Wire Profiles, From 2.00 Mm To 4.00 Mm In Diameter, Which Are Locked By Means Of Special Wire-locking Ratchets. The Lower Body, Conical In Shape And Produced With Highly Wear-resistant Resinous Plastic Material, Is Assembled To The Upper Body Of The Head By A Very Simple Operation.