Featuring steel chassis for stability, swivel castors for easier positioning and 1 piece handle with rubber grip for extra comfort. With overload protection valve, separate release mechanism and integral carry handle. STJ330 (2 tonne): Max load: 2000kg Min height: 135mm Max height: 330mm Weight: 8.5kg STJ410 (3 tonne): Max load: 3000kg Min height: 130mm Max height: 410mm Weight: 15.84kg