★application: horizontal lifting of steel plate.
★material: low carbon alloy steel .
★loading range: 0 to 5 ton.
★two pieces of clamps are used for the testing, but 2 pieces or 4 pieces are recommended for lifting operation, balance beam is needed for big sized steel plate.
★testing load is 2.5 times of working load.
★the loaded object shall not touch anything when operating, over loading is prohibited.
★durable enduring, easy operation.