The KD.37 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. The KD.37 has two slots for an Allen wrench to increase the adjustment sensitivity.

KD.37是一个小的执行机构旋钮，可以插入六角头调节螺丝，实现精确的指尖控制。它可以稍后拆除，以防止篡改或粘在螺钉上永久安装。KD.37有两个槽用于内六角扳手，以增加调整灵敏度。