Mitundu ya GCM imakhala yamakina am'mphepete mwa ma radiu chamfering omwe ali ndi makina oyimilira amtundu wa bevel chamfering ndi makina oyenda amtundu wa chamfering amtundu wa 4-80mm, opezeka kupanga R2,R3,C2,C3 Radius.Kukhala ndi mitundu ya GCM-R3T,GCM-R3TD,GCM-R3AR yosankha ndikusintha ndikusintha makonda akupezeka, omwe amagwiritsidwa ntchito kwambiri pamakampani omanga zombo.