This type can be used in 360 degrees. This type is equipped with axletree and can reduce hand pulling force. Patent mode I with revolutionary design. Special designed top hook can backout easily and can be installed with trolley directly. Premium grade alloy load chain and zinc plated hand chain as standard. Drop- forged and expertly heat treated hooks for great strength and long wearing. Capacity ranges from O.St to 20t. heavy duty 30t. sot is available The hooks are fitted with robust safety latches and rotate 360 ° Can carry overload limiter.