alum knob, .63 dia, .625 tall, clear gloss, 6mm shaft hole
滚花，直形 0.236"（6.00mm） 轴，带有 顶部和侧面的线 金属 透明亮
得捷:
KNOB KNURLED 0.236" METAL
艾睿:
Control Knob, Knurl/Round Clear Line
Allied Electronics:
alum knob, .63 dia, .625 tall, clear gloss, 6mm shaft hole
Verical:
Control Knob, Knurl/Round Clear Line
