For Aluminum Windows and Doors Butterfly Drainage Punch Gun Hole Opener
Ribbed A    [Special for reinforced models] Air pressure butterfly drainage punching machine [Profiles below 1.6 thickness are optional]
Ribbed B    [Special for reinforced models] Pneumatic and hydraulic butterfly drainage punching machine [Profiles below 3.0 thickness are optional]
Ribbed C   [Special for reinforced models] Lithium battery butterfly drainage punching machine [Profiles below 2.5 thickness are optional]
Ribbed D   [Special for reinforced models] Lithium battery strong butterfly drainage punching machine [Profiles below 3.0 thickness are optional]
Flat A   [Special for flat models] Air pressure butterfly drainage punching machine [Profiles below 1.6 thickness are optional]
Flat B   [Special for flat models] Pneumatic and hydraulic butterfly drainage punching machine [Profiles below 3.0 thickness are optional]
Flat C   [Special for flat models] Lithium battery butterfly drainage punching machine [Profiles below 2.5 thickness are optional]
Flat D   [Special for flat models] Lithium battery strong butterfly drainage punching machine [Profiles below 3.0 thickness are optional]