A surgical clip applier having an adjustable jaw open dimension, including an instrument body having jaws at a distal end and an actuator at a proximal end； an actuator shaft movable longitudinally relative to the instrument body to transmit actuating force from the actuator to the jaws； and an adjusting member threadedly engaged with the actuator shaft and configured to engage the instrument body at a jaw open position, wherein rotation of the adjusting member relative to the actuating shaft moves the adjusting member longitudinally relative to the actuating shaft to adjust a jaw open position of the jaws when the adjusting member contacts the instrument body.
