单钩头带表深度尺

主要特点•用于精确测量沟槽宽和沟槽位置尺寸：•读数清晰、直观•刻度盘位置可调整，并借助锁紧螺钉紧固FEATURES•Easy use for grooves' depth and width measurements•Easy to read clearly•The adjustable dial face can be fastened by a clamping screw