The KD.75 is a small actuator knob that can be inserted into hex-head adjustment screw for precise fingertip control. It can be later removed for tamper resistance or glued onto the screw for permanent installation.

KD.75是一个小的执行机构旋钮，可以插入六角头调节螺丝，用于精确的指尖控制。它可以稍后拆除，以防止篡改或粘在螺钉上永久安装。