Load: 4kg
Arm length: 400mm
Load: 7kg
Arm length: 500/600/700mm
Load: 10kg
Arm length: 600/700/800mm
Load: 20kg
Arm length: 800/1000mm
Load: 50kg
Arm length: 1200mm
Arm length: 350mm
Load: 5kg
Arm length: 550mm
Load: 8kg
Arm length: 620mm