Used SUMI 0.7 Tonne Legless Walkie Stacker – BOA700 This used Sumi walkie stacker is the perfect solution to your moving needs. With 0.7 tonne capacity and 3.5 metre lift height, it’s sure to get the job done.   Make: Sumi Model: BOA0.7 Year: 2018 Capacity: 0.7 Tonne Mast: 3.5 Metre – 2 Stage Attachments: