CNC-G0704 #5 Comparing ER32, ER20, and ER16 Collet Chucks

Size DOES matter.
My ER32: https://www.amazon.com/ER-32-Collet-Chuck-Straight/dp/B006MHS82C
Yinsheng: https://www.ystool.com.cn/en/nsort.asp?nsort_id=49
Darkon: https://www.darkonindustries.com/