A Hollow Pin with a through hole refers to a type of pin that has a hollow cylindrical shape and a hole passing through its entire length. It is used where lightweight construction, flexibility, or the ability to pass through other components is desired.Attributes:• Through hole can be used as an alignment and positioning aid• Made from steel which offers durability, excellent strength, and resilienceApplications:A Hollow Pin is used to connect the valve lever in the hydraulic hand.