Steel rope tensioners are mainly used to tighten various types of cables, such as electric and overhead wires, as well as to pull and move heavy objects such as equipment. Fixing large equipment and other goods during transportation. Hand-pull (hand-pull) hoist has two types of hand-pull according to the driving method, chain hoist is used to tighten and lift by hand zipper for the purpose, hand-held hoist has chain hoist and wire rope hoist and lever hoist is used to pull the chain or wire rope to tighten and lift. Hand-operated (hand-pulled) hoists can be used for lifting, pulling, lowering and calibrating. If equipped with special equipment, such as cable shears, they can be used for non-linear pulling. It is also easy to select the right position for tensioner cars or to expand the load capacity with small tonnage machines. For large tonnage loads, multiple manual (hand) hoists can be used in parallel. To use the ratchet tensioner, first pull the ratchet tensioner car to the loose wire position, pull the wire completely out, then hang the hook on the fixed point, then pull the car to the middle position. In the tightening position, the handle ratchet tightener is extended forward along the wire (or cord) and the wire (or cord) to be tightened is stuck in the wire slot of the ratchet tightener and the tab is inserted with one hand. Pull the wire into the slot of the ratchet tightener and tighten the wire by squeezing the wrench of the ratchet with one hand. It may be slow after the wire (or cord) is securely clamped. Slowly tighten the wire or cord.