... certificate:GS,CE,ISO9001,EN1492,EN12195 working load is up to 10T lifting clampsApplication: Horizontal lifting of steel plate . Material: Low ... carbon steel alloy. Loading range: 0 to 10 ton. Two pieces of clamps are used for the ... load.With lock spring during the clamp non-work condition, locking device going in nature step-up, put the object in the ...